Home / 157,691.10-236,576.61-45,368.94

Finding the Fourth Proportional to 157,691.10, 236,576.61 and 45,368.94

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Solution

The fourth proportional to 157,691.10, 236,576.61 and 45,368.94 is: 68,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,691.10 : 236,576.61 = 45,368.94 : x
  2. Step 2: Convert to fraction form
    157,691.10/236,576.61 = 45,368.94/x
  3. Step 3: Cross multiply
    157,691.10x = 236,576.61 × 45,368.94
  4. Step 4: Simplify right side
    157,691.10x = 10,733,230,024.49
  5. Step 5: Solve for x
    x = 10,733,230,024.49/157,691.10
  6. Step 6: Final answer
    x = 68,064.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.