Home / 186,532.56-257,351.76-113,908.95

Finding the Fourth Proportional to 186,532.56, 257,351.76 and 113,908.95

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Solution

The fourth proportional to 186,532.56, 257,351.76 and 113,908.95 is: 157,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,532.56 : 257,351.76 = 113,908.95 : x
  2. Step 2: Convert to fraction form
    186,532.56/257,351.76 = 113,908.95/x
  3. Step 3: Cross multiply
    186,532.56x = 257,351.76 × 113,908.95
  4. Step 4: Simplify right side
    186,532.56x = 29,314,668,762.25
  5. Step 5: Solve for x
    x = 29,314,668,762.25/186,532.56
  6. Step 6: Final answer
    x = 157,155.77

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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.