Home / 119,929.52-165,649.92-89,849.36

Finding the Fourth Proportional to 119,929.52, 165,649.92 and 89,849.36

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Solution

The fourth proportional to 119,929.52, 165,649.92 and 89,849.36 is: 124,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,929.52 : 165,649.92 = 89,849.36 : x
  2. Step 2: Convert to fraction form
    119,929.52/165,649.92 = 89,849.36/x
  3. Step 3: Cross multiply
    119,929.52x = 165,649.92 × 89,849.36
  4. Step 4: Simplify right side
    119,929.52x = 14,883,539,296.05
  5. Step 5: Solve for x
    x = 14,883,539,296.05/119,929.52
  6. Step 6: Final answer
    x = 124,102.38

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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.