Home / 106,624.17-147,021.39-87,182.46

Finding the Fourth Proportional to 106,624.17, 147,021.39 and 87,182.46

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Solution

The fourth proportional to 106,624.17, 147,021.39 and 87,182.46 is: 120,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,624.17 : 147,021.39 = 87,182.46 : x
  2. Step 2: Convert to fraction form
    106,624.17/147,021.39 = 87,182.46/x
  3. Step 3: Cross multiply
    106,624.17x = 147,021.39 × 87,182.46
  4. Step 4: Simplify right side
    106,624.17x = 12,817,686,452.82
  5. Step 5: Solve for x
    x = 12,817,686,452.82/106,624.17
  6. Step 6: Final answer
    x = 120,213.70

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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.