Home / 410,128.91-614,771.15-157,342.08

Finding the Fourth Proportional to 410,128.91, 614,771.15 and 157,342.08

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Solution

The fourth proportional to 410,128.91, 614,771.15 and 157,342.08 is: 235,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,128.91 : 614,771.15 = 157,342.08 : x
  2. Step 2: Convert to fraction form
    410,128.91/614,771.15 = 157,342.08/x
  3. Step 3: Cross multiply
    410,128.91x = 614,771.15 × 157,342.08
  4. Step 4: Simplify right side
    410,128.91x = 96,729,371,464.99
  5. Step 5: Solve for x
    x = 96,729,371,464.99/410,128.91
  6. Step 6: Final answer
    x = 235,851.14

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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.