Home / 124,922.72-172,397.76-71,199.06

Finding the Fourth Proportional to 124,922.72, 172,397.76 and 71,199.06

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Solution

The fourth proportional to 124,922.72, 172,397.76 and 71,199.06 is: 98,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.72 : 172,397.76 = 71,199.06 : x
  2. Step 2: Convert to fraction form
    124,922.72/172,397.76 = 71,199.06/x
  3. Step 3: Cross multiply
    124,922.72x = 172,397.76 × 71,199.06
  4. Step 4: Simplify right side
    124,922.72x = 12,274,558,458.11
  5. Step 5: Solve for x
    x = 12,274,558,458.11/124,922.72
  6. Step 6: Final answer
    x = 98,257.21

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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.