Home / 495,082.62-742,652.40-140,066.88

Finding the Fourth Proportional to 495,082.62, 742,652.40 and 140,066.88

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Solution

The fourth proportional to 495,082.62, 742,652.40 and 140,066.88 is: 210,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,082.62 : 742,652.40 = 140,066.88 : x
  2. Step 2: Convert to fraction form
    495,082.62/742,652.40 = 140,066.88/x
  3. Step 3: Cross multiply
    495,082.62x = 742,652.40 × 140,066.88
  4. Step 4: Simplify right side
    495,082.62x = 104,021,004,592.51
  5. Step 5: Solve for x
    x = 104,021,004,592.51/495,082.62
  6. Step 6: Final answer
    x = 210,108.37

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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.