Home / 177,000.30-265,500.45-121,013.10

Finding the Fourth Proportional to 177,000.30, 265,500.45 and 121,013.10

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Solution

The fourth proportional to 177,000.30, 265,500.45 and 121,013.10 is: 181,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,000.30 : 265,500.45 = 121,013.10 : x
  2. Step 2: Convert to fraction form
    177,000.30/265,500.45 = 121,013.10/x
  3. Step 3: Cross multiply
    177,000.30x = 265,500.45 × 121,013.10
  4. Step 4: Simplify right side
    177,000.30x = 32,129,032,505.90
  5. Step 5: Solve for x
    x = 32,129,032,505.90/177,000.30
  6. Step 6: Final answer
    x = 181,519.65

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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.