Home / 118,543.97-163,590.57-64,828.95

Finding the Fourth Proportional to 118,543.97, 163,590.57 and 64,828.95

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Solution

The fourth proportional to 118,543.97, 163,590.57 and 64,828.95 is: 89,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,543.97 : 163,590.57 = 64,828.95 : x
  2. Step 2: Convert to fraction form
    118,543.97/163,590.57 = 64,828.95/x
  3. Step 3: Cross multiply
    118,543.97x = 163,590.57 × 64,828.95
  4. Step 4: Simplify right side
    118,543.97x = 10,605,404,883.00
  5. Step 5: Solve for x
    x = 10,605,404,883.00/118,543.97
  6. Step 6: Final answer
    x = 89,463.90

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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.