Home / 158,711.01-219,021.06-87,095.53

Finding the Fourth Proportional to 158,711.01, 219,021.06 and 87,095.53

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Solution

The fourth proportional to 158,711.01, 219,021.06 and 87,095.53 is: 120,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,711.01 : 219,021.06 = 87,095.53 : x
  2. Step 2: Convert to fraction form
    158,711.01/219,021.06 = 87,095.53/x
  3. Step 3: Cross multiply
    158,711.01x = 219,021.06 × 87,095.53
  4. Step 4: Simplify right side
    158,711.01x = 19,075,755,301.86
  5. Step 5: Solve for x
    x = 19,075,755,301.86/158,711.01
  6. Step 6: Final answer
    x = 120,191.76

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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.