Home / 119,217.84-164,520.51-65,502.75

Finding the Fourth Proportional to 119,217.84, 164,520.51 and 65,502.75

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Solution

The fourth proportional to 119,217.84, 164,520.51 and 65,502.75 is: 90,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,217.84 : 164,520.51 = 65,502.75 : x
  2. Step 2: Convert to fraction form
    119,217.84/164,520.51 = 65,502.75/x
  3. Step 3: Cross multiply
    119,217.84x = 164,520.51 × 65,502.75
  4. Step 4: Simplify right side
    119,217.84x = 10,776,545,836.40
  5. Step 5: Solve for x
    x = 10,776,545,836.40/119,217.84
  6. Step 6: Final answer
    x = 90,393.74

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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.