Home / 151,285.80-226,928.70-127,666.20

Finding the Fourth Proportional to 151,285.80, 226,928.70 and 127,666.20

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Solution

The fourth proportional to 151,285.80, 226,928.70 and 127,666.20 is: 191,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,285.80 : 226,928.70 = 127,666.20 : x
  2. Step 2: Convert to fraction form
    151,285.80/226,928.70 = 127,666.20/x
  3. Step 3: Cross multiply
    151,285.80x = 226,928.70 × 127,666.20
  4. Step 4: Simplify right side
    151,285.80x = 28,971,124,799.94
  5. Step 5: Solve for x
    x = 28,971,124,799.94/151,285.80
  6. Step 6: Final answer
    x = 191,499.30

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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.