Home / 118,538.17-163,585.52-67,549.80

Finding the Fourth Proportional to 118,538.17, 163,585.52 and 67,549.80

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Solution

The fourth proportional to 118,538.17, 163,585.52 and 67,549.80 is: 93,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.17 : 163,585.52 = 67,549.80 : x
  2. Step 2: Convert to fraction form
    118,538.17/163,585.52 = 67,549.80/x
  3. Step 3: Cross multiply
    118,538.17x = 163,585.52 × 67,549.80
  4. Step 4: Simplify right side
    118,538.17x = 11,050,168,821.15
  5. Step 5: Solve for x
    x = 11,050,168,821.15/118,538.17
  6. Step 6: Final answer
    x = 93,220.35

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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.