Home / 114,306.96-157,704.12-71,868.72

Finding the Fourth Proportional to 114,306.96, 157,704.12 and 71,868.72

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Solution

The fourth proportional to 114,306.96, 157,704.12 and 71,868.72 is: 99,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,306.96 : 157,704.12 = 71,868.72 : x
  2. Step 2: Convert to fraction form
    114,306.96/157,704.12 = 71,868.72/x
  3. Step 3: Cross multiply
    114,306.96x = 157,704.12 × 71,868.72
  4. Step 4: Simplify right side
    114,306.96x = 11,333,993,243.13
  5. Step 5: Solve for x
    x = 11,333,993,243.13/114,306.96
  6. Step 6: Final answer
    x = 99,154.01

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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.