Home / 125,314.50-172,943.15-71,598.36

Finding the Fourth Proportional to 125,314.50, 172,943.15 and 71,598.36

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Solution

The fourth proportional to 125,314.50, 172,943.15 and 71,598.36 is: 98,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,314.50 : 172,943.15 = 71,598.36 : x
  2. Step 2: Convert to fraction form
    125,314.50/172,943.15 = 71,598.36/x
  3. Step 3: Cross multiply
    125,314.50x = 172,943.15 × 71,598.36
  4. Step 4: Simplify right side
    125,314.50x = 12,382,446,092.23
  5. Step 5: Solve for x
    x = 12,382,446,092.23/125,314.50
  6. Step 6: Final answer
    x = 98,810.96

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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.