Home / 177,554.90-266,483.55-72,449.30

Finding the Fourth Proportional to 177,554.90, 266,483.55 and 72,449.30

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Solution

The fourth proportional to 177,554.90, 266,483.55 and 72,449.30 is: 108,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,554.90 : 266,483.55 = 72,449.30 : x
  2. Step 2: Convert to fraction form
    177,554.90/266,483.55 = 72,449.30/x
  3. Step 3: Cross multiply
    177,554.90x = 266,483.55 × 72,449.30
  4. Step 4: Simplify right side
    177,554.90x = 19,306,546,659.02
  5. Step 5: Solve for x
    x = 19,306,546,659.02/177,554.90
  6. Step 6: Final answer
    x = 108,735.65

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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.