Home / 118,119.92-163,002.48-64,405.04

Finding the Fourth Proportional to 118,119.92, 163,002.48 and 64,405.04

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Solution

The fourth proportional to 118,119.92, 163,002.48 and 64,405.04 is: 88,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119.92 : 163,002.48 = 64,405.04 : x
  2. Step 2: Convert to fraction form
    118,119.92/163,002.48 = 64,405.04/x
  3. Step 3: Cross multiply
    118,119.92x = 163,002.48 × 64,405.04
  4. Step 4: Simplify right side
    118,119.92x = 10,498,181,244.50
  5. Step 5: Solve for x
    x = 10,498,181,244.50/118,119.92
  6. Step 6: Final answer
    x = 88,877.31

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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.