Home / 114,127.18-157,517.13-76,466.86

Finding the Fourth Proportional to 114,127.18, 157,517.13 and 76,466.86

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Solution

The fourth proportional to 114,127.18, 157,517.13 and 76,466.86 is: 105,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,127.18 : 157,517.13 = 76,466.86 : x
  2. Step 2: Convert to fraction form
    114,127.18/157,517.13 = 76,466.86/x
  3. Step 3: Cross multiply
    114,127.18x = 157,517.13 × 76,466.86
  4. Step 4: Simplify right side
    114,127.18x = 12,044,840,327.31
  5. Step 5: Solve for x
    x = 12,044,840,327.31/114,127.18
  6. Step 6: Final answer
    x = 105,538.75

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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.