Home / 141,907.12-212,877.15-47,145.76

Finding the Fourth Proportional to 141,907.12, 212,877.15 and 47,145.76

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Solution

The fourth proportional to 141,907.12, 212,877.15 and 47,145.76 is: 70,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,907.12 : 212,877.15 = 47,145.76 : x
  2. Step 2: Convert to fraction form
    141,907.12/212,877.15 = 47,145.76/x
  3. Step 3: Cross multiply
    141,907.12x = 212,877.15 × 47,145.76
  4. Step 4: Simplify right side
    141,907.12x = 10,036,255,023.38
  5. Step 5: Solve for x
    x = 10,036,255,023.38/141,907.12
  6. Step 6: Final answer
    x = 70,724.11

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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.