Home / 186,765.50-257,736.40-101,882.90

Finding the Fourth Proportional to 186,765.50, 257,736.40 and 101,882.90

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Solution

The fourth proportional to 186,765.50, 257,736.40 and 101,882.90 is: 140,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,765.50 : 257,736.40 = 101,882.90 : x
  2. Step 2: Convert to fraction form
    186,765.50/257,736.40 = 101,882.90/x
  3. Step 3: Cross multiply
    186,765.50x = 257,736.40 × 101,882.90
  4. Step 4: Simplify right side
    186,765.50x = 26,258,931,867.56
  5. Step 5: Solve for x
    x = 26,258,931,867.56/186,765.50
  6. Step 6: Final answer
    x = 140,598.41

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1.5x scale

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.