Home / 242,165.28-363,248.21-115,775.80

Finding the Fourth Proportional to 242,165.28, 363,248.21 and 115,775.80

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Solution

The fourth proportional to 242,165.28, 363,248.21 and 115,775.80 is: 173,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,165.28 : 363,248.21 = 115,775.80 : x
  2. Step 2: Convert to fraction form
    242,165.28/363,248.21 = 115,775.80/x
  3. Step 3: Cross multiply
    242,165.28x = 363,248.21 × 115,775.80
  4. Step 4: Simplify right side
    242,165.28x = 42,055,352,111.32
  5. Step 5: Solve for x
    x = 42,055,352,111.32/242,165.28
  6. Step 6: Final answer
    x = 173,663.84

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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.