Home / 186,631.71-257,551.61-101,748.77

Finding the Fourth Proportional to 186,631.71, 257,551.61 and 101,748.77

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Solution

The fourth proportional to 186,631.71, 257,551.61 and 101,748.77 is: 140,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.71 : 257,551.61 = 101,748.77 : x
  2. Step 2: Convert to fraction form
    186,631.71/257,551.61 = 101,748.77/x
  3. Step 3: Cross multiply
    186,631.71x = 257,551.61 × 101,748.77
  4. Step 4: Simplify right side
    186,631.71x = 26,205,560,719.40
  5. Step 5: Solve for x
    x = 26,205,560,719.40/186,631.71
  6. Step 6: Final answer
    x = 140,413.23

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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.