Home / 118,331.48-163,295.28-64,615.04

Finding the Fourth Proportional to 118,331.48, 163,295.28 and 64,615.04

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Solution

The fourth proportional to 118,331.48, 163,295.28 and 64,615.04 is: 89,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,331.48 : 163,295.28 = 64,615.04 : x
  2. Step 2: Convert to fraction form
    118,331.48/163,295.28 = 64,615.04/x
  3. Step 3: Cross multiply
    118,331.48x = 163,295.28 × 64,615.04
  4. Step 4: Simplify right side
    118,331.48x = 10,551,331,049.01
  5. Step 5: Solve for x
    x = 10,551,331,049.01/118,331.48
  6. Step 6: Final answer
    x = 89,167.57

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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.