Home / 114,538.84-158,002.57-66,774.76

Finding the Fourth Proportional to 114,538.84, 158,002.57 and 66,774.76

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Solution

The fourth proportional to 114,538.84, 158,002.57 and 66,774.76 is: 92,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,538.84 : 158,002.57 = 66,774.76 : x
  2. Step 2: Convert to fraction form
    114,538.84/158,002.57 = 66,774.76/x
  3. Step 3: Cross multiply
    114,538.84x = 158,002.57 × 66,774.76
  4. Step 4: Simplify right side
    114,538.84x = 10,550,583,691.13
  5. Step 5: Solve for x
    x = 10,550,583,691.13/114,538.84
  6. Step 6: Final answer
    x = 92,113.59

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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.