Home / 159,176.72-219,666.66-87,559.76

Finding the Fourth Proportional to 159,176.72, 219,666.66 and 87,559.76

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Solution

The fourth proportional to 159,176.72, 219,666.66 and 87,559.76 is: 120,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,176.72 : 219,666.66 = 87,559.76 : x
  2. Step 2: Convert to fraction form
    159,176.72/219,666.66 = 87,559.76/x
  3. Step 3: Cross multiply
    159,176.72x = 219,666.66 × 87,559.76
  4. Step 4: Simplify right side
    159,176.72x = 19,233,960,029.60
  5. Step 5: Solve for x
    x = 19,233,960,029.60/159,176.72
  6. Step 6: Final answer
    x = 120,834.00

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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.