Home / 186,531.10-257,413.20-101,648.14

Finding the Fourth Proportional to 186,531.10, 257,413.20 and 101,648.14

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Solution

The fourth proportional to 186,531.10, 257,413.20 and 101,648.14 is: 140,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,531.10 : 257,413.20 = 101,648.14 : x
  2. Step 2: Convert to fraction form
    186,531.10/257,413.20 = 101,648.14/x
  3. Step 3: Cross multiply
    186,531.10x = 257,413.20 × 101,648.14
  4. Step 4: Simplify right side
    186,531.10x = 26,165,572,991.45
  5. Step 5: Solve for x
    x = 26,165,572,991.45/186,531.10
  6. Step 6: Final answer
    x = 140,274.59

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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.