Home / 185,921.20-256,570.54-105,364.08

Finding the Fourth Proportional to 185,921.20, 256,570.54 and 105,364.08

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Solution

The fourth proportional to 185,921.20, 256,570.54 and 105,364.08 is: 145,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.20 : 256,570.54 = 105,364.08 : x
  2. Step 2: Convert to fraction form
    185,921.20/256,570.54 = 105,364.08/x
  3. Step 3: Cross multiply
    185,921.20x = 256,570.54 × 105,364.08
  4. Step 4: Simplify right side
    185,921.20x = 27,033,318,902.20
  5. Step 5: Solve for x
    x = 27,033,318,902.20/185,921.20
  6. Step 6: Final answer
    x = 145,402.02

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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.