Home / 194,821.60-292,232.40-70,146.40

Finding the Fourth Proportional to 194,821.60, 292,232.40 and 70,146.40

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Solution

The fourth proportional to 194,821.60, 292,232.40 and 70,146.40 is: 105,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821.60 : 292,232.40 = 70,146.40 : x
  2. Step 2: Convert to fraction form
    194,821.60/292,232.40 = 70,146.40/x
  3. Step 3: Cross multiply
    194,821.60x = 292,232.40 × 70,146.40
  4. Step 4: Simplify right side
    194,821.60x = 20,499,050,823.36
  5. Step 5: Solve for x
    x = 20,499,050,823.36/194,821.60
  6. Step 6: Final answer
    x = 105,219.60

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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.