Home / 118,538.61-163,586.13-67,550.25

Finding the Fourth Proportional to 118,538.61, 163,586.13 and 67,550.25

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Solution

The fourth proportional to 118,538.61, 163,586.13 and 67,550.25 is: 93,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.61 : 163,586.13 = 67,550.25 : x
  2. Step 2: Convert to fraction form
    118,538.61/163,586.13 = 67,550.25/x
  3. Step 3: Cross multiply
    118,538.61x = 163,586.13 × 67,550.25
  4. Step 4: Simplify right side
    118,538.61x = 11,050,283,978.03
  5. Step 5: Solve for x
    x = 11,050,283,978.03/118,538.61
  6. Step 6: Final answer
    x = 93,220.97

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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.