Home / 495,052.72-742,608.76-140,093.68

Finding the Fourth Proportional to 495,052.72, 742,608.76 and 140,093.68

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Solution

The fourth proportional to 495,052.72, 742,608.76 and 140,093.68 is: 210,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,052.72 : 742,608.76 = 140,093.68 : x
  2. Step 2: Convert to fraction form
    495,052.72/742,608.76 = 140,093.68/x
  3. Step 3: Cross multiply
    495,052.72x = 742,608.76 × 140,093.68
  4. Step 4: Simplify right side
    495,052.72x = 104,034,793,988.64
  5. Step 5: Solve for x
    x = 104,034,793,988.64/495,052.72
  6. Step 6: Final answer
    x = 210,148.92

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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.