Home / 106,715.66-147,268.07-58,318.56

Finding the Fourth Proportional to 106,715.66, 147,268.07 and 58,318.56

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Solution

The fourth proportional to 106,715.66, 147,268.07 and 58,318.56 is: 80,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,715.66 : 147,268.07 = 58,318.56 : x
  2. Step 2: Convert to fraction form
    106,715.66/147,268.07 = 58,318.56/x
  3. Step 3: Cross multiply
    106,715.66x = 147,268.07 × 58,318.56
  4. Step 4: Simplify right side
    106,715.66x = 8,588,461,484.79
  5. Step 5: Solve for x
    x = 8,588,461,484.79/106,715.66
  6. Step 6: Final answer
    x = 80,479.86

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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.