Home / 141,925.67-195,861.95-81,508.58

Finding the Fourth Proportional to 141,925.67, 195,861.95 and 81,508.58

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Solution

The fourth proportional to 141,925.67, 195,861.95 and 81,508.58 is: 112,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,925.67 : 195,861.95 = 81,508.58 : x
  2. Step 2: Convert to fraction form
    141,925.67/195,861.95 = 81,508.58/x
  3. Step 3: Cross multiply
    141,925.67x = 195,861.95 × 81,508.58
  4. Step 4: Simplify right side
    141,925.67x = 15,964,429,073.82
  5. Step 5: Solve for x
    x = 15,964,429,073.82/141,925.67
  6. Step 6: Final answer
    x = 112,484.44

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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.