Home / 102,173.76-141,001.98-56,853.40

Finding the Fourth Proportional to 102,173.76, 141,001.98 and 56,853.40

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Solution

The fourth proportional to 102,173.76, 141,001.98 and 56,853.40 is: 78,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,173.76 : 141,001.98 = 56,853.40 : x
  2. Step 2: Convert to fraction form
    102,173.76/141,001.98 = 56,853.40/x
  3. Step 3: Cross multiply
    102,173.76x = 141,001.98 × 56,853.40
  4. Step 4: Simplify right side
    102,173.76x = 8,016,441,969.73
  5. Step 5: Solve for x
    x = 8,016,441,969.73/102,173.76
  6. Step 6: Final answer
    x = 78,458.91

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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.