Home / 236,488.40-354,732.60-103,432.40

Finding the Fourth Proportional to 236,488.40, 354,732.60 and 103,432.40

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Solution

The fourth proportional to 236,488.40, 354,732.60 and 103,432.40 is: 155,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,488.40 : 354,732.60 = 103,432.40 : x
  2. Step 2: Convert to fraction form
    236,488.40/354,732.60 = 103,432.40/x
  3. Step 3: Cross multiply
    236,488.40x = 354,732.60 × 103,432.40
  4. Step 4: Simplify right side
    236,488.40x = 36,690,844,176.24
  5. Step 5: Solve for x
    x = 36,690,844,176.24/236,488.40
  6. Step 6: Final answer
    x = 155,148.60

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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.