Home / 186,011.64-256,679.56-103,227.72

Finding the Fourth Proportional to 186,011.64, 256,679.56 and 103,227.72

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Solution

The fourth proportional to 186,011.64, 256,679.56 and 103,227.72 is: 142,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,011.64 : 256,679.56 = 103,227.72 : x
  2. Step 2: Convert to fraction form
    186,011.64/256,679.56 = 103,227.72/x
  3. Step 3: Cross multiply
    186,011.64x = 256,679.56 × 103,227.72
  4. Step 4: Simplify right side
    186,011.64x = 26,496,445,749.40
  5. Step 5: Solve for x
    x = 26,496,445,749.40/186,011.64
  6. Step 6: Final answer
    x = 142,445.10

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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.