Home / 135,554.92-186,832.13-90,151.67

Finding the Fourth Proportional to 135,554.92, 186,832.13 and 90,151.67

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Solution

The fourth proportional to 135,554.92, 186,832.13 and 90,151.67 is: 124,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,554.92 : 186,832.13 = 90,151.67 : x
  2. Step 2: Convert to fraction form
    135,554.92/186,832.13 = 90,151.67/x
  3. Step 3: Cross multiply
    135,554.92x = 186,832.13 × 90,151.67
  4. Step 4: Simplify right side
    135,554.92x = 16,843,228,545.48
  5. Step 5: Solve for x
    x = 16,843,228,545.48/135,554.92
  6. Step 6: Final answer
    x = 124,253.91

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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.