Home / 186,825.72-257,821.02-101,944.20

Finding the Fourth Proportional to 186,825.72, 257,821.02 and 101,944.20

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Solution

The fourth proportional to 186,825.72, 257,821.02 and 101,944.20 is: 140,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,825.72 : 257,821.02 = 101,944.20 : x
  2. Step 2: Convert to fraction form
    186,825.72/257,821.02 = 101,944.20/x
  3. Step 3: Cross multiply
    186,825.72x = 257,821.02 × 101,944.20
  4. Step 4: Simplify right side
    186,825.72x = 26,283,357,627.08
  5. Step 5: Solve for x
    x = 26,283,357,627.08/186,825.72
  6. Step 6: Final answer
    x = 140,683.83

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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.