Home / 141,338.40-212,007.60-132,590.40

Finding the Fourth Proportional to 141,338.40, 212,007.60 and 132,590.40

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Solution

The fourth proportional to 141,338.40, 212,007.60 and 132,590.40 is: 198,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338.40 : 212,007.60 = 132,590.40 : x
  2. Step 2: Convert to fraction form
    141,338.40/212,007.60 = 132,590.40/x
  3. Step 3: Cross multiply
    141,338.40x = 212,007.60 × 132,590.40
  4. Step 4: Simplify right side
    141,338.40x = 28,110,172,487.04
  5. Step 5: Solve for x
    x = 28,110,172,487.04/141,338.40
  6. Step 6: Final answer
    x = 198,885.60

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1.5x scale

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.