Home / 106,618.32-147,133.50-58,871.76

Finding the Fourth Proportional to 106,618.32, 147,133.50 and 58,871.76

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Solution

The fourth proportional to 106,618.32, 147,133.50 and 58,871.76 is: 81,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,618.32 : 147,133.50 = 58,871.76 : x
  2. Step 2: Convert to fraction form
    106,618.32/147,133.50 = 58,871.76/x
  3. Step 3: Cross multiply
    106,618.32x = 147,133.50 × 58,871.76
  4. Step 4: Simplify right side
    106,618.32x = 8,662,008,099.96
  5. Step 5: Solve for x
    x = 8,662,008,099.96/106,618.32
  6. Step 6: Final answer
    x = 81,243.15

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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.