Home / 154,306.19-231,557.70-65,559.69

Finding the Fourth Proportional to 154,306.19, 231,557.70 and 65,559.69

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Solution

The fourth proportional to 154,306.19, 231,557.70 and 65,559.69 is: 98,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,306.19 : 231,557.70 = 65,559.69 : x
  2. Step 2: Convert to fraction form
    154,306.19/231,557.70 = 65,559.69/x
  3. Step 3: Cross multiply
    154,306.19x = 231,557.70 × 65,559.69
  4. Step 4: Simplify right side
    154,306.19x = 15,180,851,029.11
  5. Step 5: Solve for x
    x = 15,180,851,029.11/154,306.19
  6. Step 6: Final answer
    x = 98,381.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.