Home / 169,865.08-234,416.80-93,387.40

Finding the Fourth Proportional to 169,865.08, 234,416.80 and 93,387.40

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Solution

The fourth proportional to 169,865.08, 234,416.80 and 93,387.40 is: 128,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,865.08 : 234,416.80 = 93,387.40 : x
  2. Step 2: Convert to fraction form
    169,865.08/234,416.80 = 93,387.40/x
  3. Step 3: Cross multiply
    169,865.08x = 234,416.80 × 93,387.40
  4. Step 4: Simplify right side
    169,865.08x = 21,891,575,468.32
  5. Step 5: Solve for x
    x = 21,891,575,468.32/169,865.08
  6. Step 6: Final answer
    x = 128,876.26

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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.