Home / 186,827.20-257,825.28-101,947.84

Finding the Fourth Proportional to 186,827.20, 257,825.28 and 101,947.84

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Solution

The fourth proportional to 186,827.20, 257,825.28 and 101,947.84 is: 140,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,827.20 : 257,825.28 = 101,947.84 : x
  2. Step 2: Convert to fraction form
    186,827.20/257,825.28 = 101,947.84/x
  3. Step 3: Cross multiply
    186,827.20x = 257,825.28 × 101,947.84
  4. Step 4: Simplify right side
    186,827.20x = 26,284,730,393.40
  5. Step 5: Solve for x
    x = 26,284,730,393.40/186,827.20
  6. Step 6: Final answer
    x = 140,690.06

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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.