Home / 146,053.11-219,079.71-40,887.57

Finding the Fourth Proportional to 146,053.11, 219,079.71 and 40,887.57

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Solution

The fourth proportional to 146,053.11, 219,079.71 and 40,887.57 is: 61,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,053.11 : 219,079.71 = 40,887.57 : x
  2. Step 2: Convert to fraction form
    146,053.11/219,079.71 = 40,887.57/x
  3. Step 3: Cross multiply
    146,053.11x = 219,079.71 × 40,887.57
  4. Step 4: Simplify right side
    146,053.11x = 8,957,636,978.20
  5. Step 5: Solve for x
    x = 8,957,636,978.20/146,053.11
  6. Step 6: Final answer
    x = 61,331.37

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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.