Home / 106,624.68-147,121.56-64,186.08

Finding the Fourth Proportional to 106,624.68, 147,121.56 and 64,186.08

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Solution

The fourth proportional to 106,624.68, 147,121.56 and 64,186.08 is: 88,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,624.68 : 147,121.56 = 64,186.08 : x
  2. Step 2: Convert to fraction form
    106,624.68/147,121.56 = 64,186.08/x
  3. Step 3: Cross multiply
    106,624.68x = 147,121.56 × 64,186.08
  4. Step 4: Simplify right side
    106,624.68x = 9,443,156,219.88
  5. Step 5: Solve for x
    x = 9,443,156,219.88/106,624.68
  6. Step 6: Final answer
    x = 88,564.45

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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.