Home / 157,668.20-236,502.30-82,759.40

Finding the Fourth Proportional to 157,668.20, 236,502.30 and 82,759.40

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Solution

The fourth proportional to 157,668.20, 236,502.30 and 82,759.40 is: 124,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,668.20 : 236,502.30 = 82,759.40 : x
  2. Step 2: Convert to fraction form
    157,668.20/236,502.30 = 82,759.40/x
  3. Step 3: Cross multiply
    157,668.20x = 236,502.30 × 82,759.40
  4. Step 4: Simplify right side
    157,668.20x = 19,572,788,446.62
  5. Step 5: Solve for x
    x = 19,572,788,446.62/157,668.20
  6. Step 6: Final answer
    x = 124,139.10

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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.