Home / 155,630.97-233,519.36-76,702.14

Finding the Fourth Proportional to 155,630.97, 233,519.36 and 76,702.14

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Solution

The fourth proportional to 155,630.97, 233,519.36 and 76,702.14 is: 115,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,630.97 : 233,519.36 = 76,702.14 : x
  2. Step 2: Convert to fraction form
    155,630.97/233,519.36 = 76,702.14/x
  3. Step 3: Cross multiply
    155,630.97x = 233,519.36 × 76,702.14
  4. Step 4: Simplify right side
    155,630.97x = 17,911,433,092.32
  5. Step 5: Solve for x
    x = 17,911,433,092.32/155,630.97
  6. Step 6: Final answer
    x = 115,089.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.