Home / 186,825.47-257,825.36-101,947.19

Finding the Fourth Proportional to 186,825.47, 257,825.36 and 101,947.19

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Solution

The fourth proportional to 186,825.47, 257,825.36 and 101,947.19 is: 140,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,825.47 : 257,825.36 = 101,947.19 : x
  2. Step 2: Convert to fraction form
    186,825.47/257,825.36 = 101,947.19/x
  3. Step 3: Cross multiply
    186,825.47x = 257,825.36 × 101,947.19
  4. Step 4: Simplify right side
    186,825.47x = 26,284,569,928.48
  5. Step 5: Solve for x
    x = 26,284,569,928.48/186,825.47
  6. Step 6: Final answer
    x = 140,690.51

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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.