Home / 124,806.20-172,263.52-71,123.06

Finding the Fourth Proportional to 124,806.20, 172,263.52 and 71,123.06

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Solution

The fourth proportional to 124,806.20, 172,263.52 and 71,123.06 is: 98,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,806.20 : 172,263.52 = 71,123.06 : x
  2. Step 2: Convert to fraction form
    124,806.20/172,263.52 = 71,123.06/x
  3. Step 3: Cross multiply
    124,806.20x = 172,263.52 × 71,123.06
  4. Step 4: Simplify right side
    124,806.20x = 12,251,908,668.77
  5. Step 5: Solve for x
    x = 12,251,908,668.77/124,806.20
  6. Step 6: Final answer
    x = 98,167.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.