Home / 186,533.56-257,353.14-113,909.95

Finding the Fourth Proportional to 186,533.56, 257,353.14 and 113,909.95

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Solution

The fourth proportional to 186,533.56, 257,353.14 and 113,909.95 is: 157,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,533.56 : 257,353.14 = 113,909.95 : x
  2. Step 2: Convert to fraction form
    186,533.56/257,353.14 = 113,909.95/x
  3. Step 3: Cross multiply
    186,533.56x = 257,353.14 × 113,909.95
  4. Step 4: Simplify right side
    186,533.56x = 29,315,083,309.74
  5. Step 5: Solve for x
    x = 29,315,083,309.74/186,533.56
  6. Step 6: Final answer
    x = 157,157.15

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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.