Home / 177,614.30-266,421.45-128,042.30

Finding the Fourth Proportional to 177,614.30, 266,421.45 and 128,042.30

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Solution

The fourth proportional to 177,614.30, 266,421.45 and 128,042.30 is: 192,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,614.30 : 266,421.45 = 128,042.30 : x
  2. Step 2: Convert to fraction form
    177,614.30/266,421.45 = 128,042.30/x
  3. Step 3: Cross multiply
    177,614.30x = 266,421.45 × 128,042.30
  4. Step 4: Simplify right side
    177,614.30x = 34,113,215,227.34
  5. Step 5: Solve for x
    x = 34,113,215,227.34/177,614.30
  6. Step 6: Final answer
    x = 192,063.45

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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.