Home / 186,002.20-256,670.40-101,117.44

Finding the Fourth Proportional to 186,002.20, 256,670.40 and 101,117.44

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Solution

The fourth proportional to 186,002.20, 256,670.40 and 101,117.44 is: 139,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,002.20 : 256,670.40 = 101,117.44 : x
  2. Step 2: Convert to fraction form
    186,002.20/256,670.40 = 101,117.44/x
  3. Step 3: Cross multiply
    186,002.20x = 256,670.40 × 101,117.44
  4. Step 4: Simplify right side
    186,002.20x = 25,953,853,771.78
  5. Step 5: Solve for x
    x = 25,953,853,771.78/186,002.20
  6. Step 6: Final answer
    x = 139,535.20

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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.