Home / 462,557.20-693,835.80-130,133.20

Finding the Fourth Proportional to 462,557.20, 693,835.80 and 130,133.20

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Solution

The fourth proportional to 462,557.20, 693,835.80 and 130,133.20 is: 195,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,557.20 : 693,835.80 = 130,133.20 : x
  2. Step 2: Convert to fraction form
    462,557.20/693,835.80 = 130,133.20/x
  3. Step 3: Cross multiply
    462,557.20x = 693,835.80 × 130,133.20
  4. Step 4: Simplify right side
    462,557.20x = 90,291,072,928.56
  5. Step 5: Solve for x
    x = 90,291,072,928.56/462,557.20
  6. Step 6: Final answer
    x = 195,199.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.