Home / 141,828.10-212,742.15-42,003.70

Finding the Fourth Proportional to 141,828.10, 212,742.15 and 42,003.70

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Solution

The fourth proportional to 141,828.10, 212,742.15 and 42,003.70 is: 63,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,828.10 : 212,742.15 = 42,003.70 : x
  2. Step 2: Convert to fraction form
    141,828.10/212,742.15 = 42,003.70/x
  3. Step 3: Cross multiply
    141,828.10x = 212,742.15 × 42,003.70
  4. Step 4: Simplify right side
    141,828.10x = 8,935,957,445.96
  5. Step 5: Solve for x
    x = 8,935,957,445.96/141,828.10
  6. Step 6: Final answer
    x = 63,005.55

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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.