Home / 141,350.40-212,122.80-58,244.40

Finding the Fourth Proportional to 141,350.40, 212,122.80 and 58,244.40

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Solution

The fourth proportional to 141,350.40, 212,122.80 and 58,244.40 is: 87,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,350.40 : 212,122.80 = 58,244.40 : x
  2. Step 2: Convert to fraction form
    141,350.40/212,122.80 = 58,244.40/x
  3. Step 3: Cross multiply
    141,350.40x = 212,122.80 × 58,244.40
  4. Step 4: Simplify right side
    141,350.40x = 12,354,965,212.32
  5. Step 5: Solve for x
    x = 12,354,965,212.32/141,350.40
  6. Step 6: Final answer
    x = 87,406.65

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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.