Home / 141,774.06-212,691.60-70,734.90

Finding the Fourth Proportional to 141,774.06, 212,691.60 and 70,734.90

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Solution

The fourth proportional to 141,774.06, 212,691.60 and 70,734.90 is: 106,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,774.06 : 212,691.60 = 70,734.90 : x
  2. Step 2: Convert to fraction form
    141,774.06/212,691.60 = 70,734.90/x
  3. Step 3: Cross multiply
    141,774.06x = 212,691.60 × 70,734.90
  4. Step 4: Simplify right side
    141,774.06x = 15,044,719,056.84
  5. Step 5: Solve for x
    x = 15,044,719,056.84/141,774.06
  6. Step 6: Final answer
    x = 106,117.57

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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.