Home / 495,093.18-742,679.01-140,109.42

Finding the Fourth Proportional to 495,093.18, 742,679.01 and 140,109.42

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Solution

The fourth proportional to 495,093.18, 742,679.01 and 140,109.42 is: 210,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,093.18 : 742,679.01 = 140,109.42 : x
  2. Step 2: Convert to fraction form
    495,093.18/742,679.01 = 140,109.42/x
  3. Step 3: Cross multiply
    495,093.18x = 742,679.01 × 140,109.42
  4. Step 4: Simplify right side
    495,093.18x = 104,056,325,337.27
  5. Step 5: Solve for x
    x = 104,056,325,337.27/495,093.18
  6. Step 6: Final answer
    x = 210,175.23

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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.