Home / 495,488.32-743,232.24-140,505.40

Finding the Fourth Proportional to 495,488.32, 743,232.24 and 140,505.40

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Solution

The fourth proportional to 495,488.32, 743,232.24 and 140,505.40 is: 210,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,488.32 : 743,232.24 = 140,505.40 : x
  2. Step 2: Convert to fraction form
    495,488.32/743,232.24 = 140,505.40/x
  3. Step 3: Cross multiply
    495,488.32x = 743,232.24 × 140,505.40
  4. Step 4: Simplify right side
    495,488.32x = 104,428,143,174.10
  5. Step 5: Solve for x
    x = 104,428,143,174.10/495,488.32
  6. Step 6: Final answer
    x = 210,758.03

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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.