Home / 185,876.07-256,504.13-105,301.52

Finding the Fourth Proportional to 185,876.07, 256,504.13 and 105,301.52

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Solution

The fourth proportional to 185,876.07, 256,504.13 and 105,301.52 is: 145,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,876.07 : 256,504.13 = 105,301.52 : x
  2. Step 2: Convert to fraction form
    185,876.07/256,504.13 = 105,301.52/x
  3. Step 3: Cross multiply
    185,876.07x = 256,504.13 × 105,301.52
  4. Step 4: Simplify right side
    185,876.07x = 27,010,274,775.28
  5. Step 5: Solve for x
    x = 27,010,274,775.28/185,876.07
  6. Step 6: Final answer
    x = 145,313.35

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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.