Home / 131,042.16-180,844.68-73,699.56

Finding the Fourth Proportional to 131,042.16, 180,844.68 and 73,699.56

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Solution

The fourth proportional to 131,042.16, 180,844.68 and 73,699.56 is: 101,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,042.16 : 180,844.68 = 73,699.56 : x
  2. Step 2: Convert to fraction form
    131,042.16/180,844.68 = 73,699.56/x
  3. Step 3: Cross multiply
    131,042.16x = 180,844.68 × 73,699.56
  4. Step 4: Simplify right side
    131,042.16x = 13,328,173,344.34
  5. Step 5: Solve for x
    x = 13,328,173,344.34/131,042.16
  6. Step 6: Final answer
    x = 101,709.05

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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.