Home / 141,928.20-212,892.30-48,411.40

Finding the Fourth Proportional to 141,928.20, 212,892.30 and 48,411.40

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Solution

The fourth proportional to 141,928.20, 212,892.30 and 48,411.40 is: 72,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,928.20 : 212,892.30 = 48,411.40 : x
  2. Step 2: Convert to fraction form
    141,928.20/212,892.30 = 48,411.40/x
  3. Step 3: Cross multiply
    141,928.20x = 212,892.30 × 48,411.40
  4. Step 4: Simplify right side
    141,928.20x = 10,306,414,292.22
  5. Step 5: Solve for x
    x = 10,306,414,292.22/141,928.20
  6. Step 6: Final answer
    x = 72,617.10

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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.