Home / 141,934.74-212,712.96-67,074.76

Finding the Fourth Proportional to 141,934.74, 212,712.96 and 67,074.76

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Solution

The fourth proportional to 141,934.74, 212,712.96 and 67,074.76 is: 100,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,934.74 : 212,712.96 = 67,074.76 : x
  2. Step 2: Convert to fraction form
    141,934.74/212,712.96 = 67,074.76/x
  3. Step 3: Cross multiply
    141,934.74x = 212,712.96 × 67,074.76
  4. Step 4: Simplify right side
    141,934.74x = 14,267,670,740.89
  5. Step 5: Solve for x
    x = 14,267,670,740.89/141,934.74
  6. Step 6: Final answer
    x = 100,522.76

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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.