Home / 99,154.14-136,717.11-73,959.90

Finding the Fourth Proportional to 99,154.14, 136,717.11 and 73,959.90

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Solution

The fourth proportional to 99,154.14, 136,717.11 and 73,959.90 is: 101,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,154.14 : 136,717.11 = 73,959.90 : x
  2. Step 2: Convert to fraction form
    99,154.14/136,717.11 = 73,959.90/x
  3. Step 3: Cross multiply
    99,154.14x = 136,717.11 × 73,959.90
  4. Step 4: Simplify right side
    99,154.14x = 10,111,583,783.89
  5. Step 5: Solve for x
    x = 10,111,583,783.89/99,154.14
  6. Step 6: Final answer
    x = 101,978.43

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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.