Home / 118,414.08-163,409.52-64,697.92

Finding the Fourth Proportional to 118,414.08, 163,409.52 and 64,697.92

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Solution

The fourth proportional to 118,414.08, 163,409.52 and 64,697.92 is: 89,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,414.08 : 163,409.52 = 64,697.92 : x
  2. Step 2: Convert to fraction form
    118,414.08/163,409.52 = 64,697.92/x
  3. Step 3: Cross multiply
    118,414.08x = 163,409.52 × 64,697.92
  4. Step 4: Simplify right side
    118,414.08x = 10,572,256,052.20
  5. Step 5: Solve for x
    x = 10,572,256,052.20/118,414.08
  6. Step 6: Final answer
    x = 89,282.09

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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.