Home / 231,518.85-349,013.56-216,087.72

Finding the Fourth Proportional to 231,518.85, 349,013.56 and 216,087.72

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Solution

The fourth proportional to 231,518.85, 349,013.56 and 216,087.72 is: 325,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,518.85 : 349,013.56 = 216,087.72 : x
  2. Step 2: Convert to fraction form
    231,518.85/349,013.56 = 216,087.72/x
  3. Step 3: Cross multiply
    231,518.85x = 349,013.56 × 216,087.72
  4. Step 4: Simplify right side
    231,518.85x = 75,417,544,429.48
  5. Step 5: Solve for x
    x = 75,417,544,429.48/231,518.85
  6. Step 6: Final answer
    x = 325,751.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.