Home / 242,138.88-334,156.32-141,595.20

Finding the Fourth Proportional to 242,138.88, 334,156.32 and 141,595.20

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Solution

The fourth proportional to 242,138.88, 334,156.32 and 141,595.20 is: 195,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,138.88 : 334,156.32 = 141,595.20 : x
  2. Step 2: Convert to fraction form
    242,138.88/334,156.32 = 141,595.20/x
  3. Step 3: Cross multiply
    242,138.88x = 334,156.32 × 141,595.20
  4. Step 4: Simplify right side
    242,138.88x = 47,314,930,961.66
  5. Step 5: Solve for x
    x = 47,314,930,961.66/242,138.88
  6. Step 6: Final answer
    x = 195,404.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.