Home / 187,715.32-259,045.85-101,672.36

Finding the Fourth Proportional to 187,715.32, 259,045.85 and 101,672.36

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Solution

The fourth proportional to 187,715.32, 259,045.85 and 101,672.36 is: 140,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,715.32 : 259,045.85 = 101,672.36 : x
  2. Step 2: Convert to fraction form
    187,715.32/259,045.85 = 101,672.36/x
  3. Step 3: Cross multiply
    187,715.32x = 259,045.85 × 101,672.36
  4. Step 4: Simplify right side
    187,715.32x = 26,337,803,733.31
  5. Step 5: Solve for x
    x = 26,337,803,733.31/187,715.32
  6. Step 6: Final answer
    x = 140,307.16

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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.