Home / 124,911.80-172,363.76-73,926.76

Finding the Fourth Proportional to 124,911.80, 172,363.76 and 73,926.76

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Solution

The fourth proportional to 124,911.80, 172,363.76 and 73,926.76 is: 102,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.80 : 172,363.76 = 73,926.76 : x
  2. Step 2: Convert to fraction form
    124,911.80/172,363.76 = 73,926.76/x
  3. Step 3: Cross multiply
    124,911.80x = 172,363.76 × 73,926.76
  4. Step 4: Simplify right side
    124,911.80x = 12,742,294,318.22
  5. Step 5: Solve for x
    x = 12,742,294,318.22/124,911.80
  6. Step 6: Final answer
    x = 102,010.33

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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.