Home / 186,336.48-257,135.76-101,453.28

Finding the Fourth Proportional to 186,336.48, 257,135.76 and 101,453.28

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Solution

The fourth proportional to 186,336.48, 257,135.76 and 101,453.28 is: 140,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,336.48 : 257,135.76 = 101,453.28 : x
  2. Step 2: Convert to fraction form
    186,336.48/257,135.76 = 101,453.28/x
  3. Step 3: Cross multiply
    186,336.48x = 257,135.76 × 101,453.28
  4. Step 4: Simplify right side
    186,336.48x = 26,087,266,257.29
  5. Step 5: Solve for x
    x = 26,087,266,257.29/186,336.48
  6. Step 6: Final answer
    x = 140,000.85

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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.