Home / 113,770.26-157,034.18-66,038.98

Finding the Fourth Proportional to 113,770.26, 157,034.18 and 66,038.98

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Solution

The fourth proportional to 113,770.26, 157,034.18 and 66,038.98 is: 91,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,770.26 : 157,034.18 = 66,038.98 : x
  2. Step 2: Convert to fraction form
    113,770.26/157,034.18 = 66,038.98/x
  3. Step 3: Cross multiply
    113,770.26x = 157,034.18 × 66,038.98
  4. Step 4: Simplify right side
    113,770.26x = 10,370,377,072.34
  5. Step 5: Solve for x
    x = 10,370,377,072.34/113,770.26
  6. Step 6: Final answer
    x = 91,151.92

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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.