Home / 242,475.28-363,770.16-76,263.28

Finding the Fourth Proportional to 242,475.28, 363,770.16 and 76,263.28

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Solution

The fourth proportional to 242,475.28, 363,770.16 and 76,263.28 is: 114,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,475.28 : 363,770.16 = 76,263.28 : x
  2. Step 2: Convert to fraction form
    242,475.28/363,770.16 = 76,263.28/x
  3. Step 3: Cross multiply
    242,475.28x = 363,770.16 × 76,263.28
  4. Step 4: Simplify right side
    242,475.28x = 27,742,305,567.72
  5. Step 5: Solve for x
    x = 27,742,305,567.72/242,475.28
  6. Step 6: Final answer
    x = 114,412.92

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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.