Home / 155,496.30-233,071.65-66,734.70

Finding the Fourth Proportional to 155,496.30, 233,071.65 and 66,734.70

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Solution

The fourth proportional to 155,496.30, 233,071.65 and 66,734.70 is: 100,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,496.30 : 233,071.65 = 66,734.70 : x
  2. Step 2: Convert to fraction form
    155,496.30/233,071.65 = 66,734.70/x
  3. Step 3: Cross multiply
    155,496.30x = 233,071.65 × 66,734.70
  4. Step 4: Simplify right side
    155,496.30x = 15,553,966,641.26
  5. Step 5: Solve for x
    x = 15,553,966,641.26/155,496.30
  6. Step 6: Final answer
    x = 100,027.89

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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.