Home / 102,276.06-141,165.82-59,248.59

Finding the Fourth Proportional to 102,276.06, 141,165.82 and 59,248.59

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Solution

The fourth proportional to 102,276.06, 141,165.82 and 59,248.59 is: 81,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,276.06 : 141,165.82 = 59,248.59 : x
  2. Step 2: Convert to fraction form
    102,276.06/141,165.82 = 59,248.59/x
  3. Step 3: Cross multiply
    102,276.06x = 141,165.82 × 59,248.59
  4. Step 4: Simplify right side
    102,276.06x = 8,363,875,791.19
  5. Step 5: Solve for x
    x = 8,363,875,791.19/102,276.06
  6. Step 6: Final answer
    x = 81,777.45

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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.