Home / 147,876.50-204,073.65-90,514.67

Finding the Fourth Proportional to 147,876.50, 204,073.65 and 90,514.67

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Solution

The fourth proportional to 147,876.50, 204,073.65 and 90,514.67 is: 124,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,876.50 : 204,073.65 = 90,514.67 : x
  2. Step 2: Convert to fraction form
    147,876.50/204,073.65 = 90,514.67/x
  3. Step 3: Cross multiply
    147,876.50x = 204,073.65 × 90,514.67
  4. Step 4: Simplify right side
    147,876.50x = 18,471,659,085.45
  5. Step 5: Solve for x
    x = 18,471,659,085.45/147,876.50
  6. Step 6: Final answer
    x = 124,912.74

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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.