Home / 185,842.36-256,468.98-105,272.20

Finding the Fourth Proportional to 185,842.36, 256,468.98 and 105,272.20

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Solution

The fourth proportional to 185,842.36, 256,468.98 and 105,272.20 is: 145,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.36 : 256,468.98 = 105,272.20 : x
  2. Step 2: Convert to fraction form
    185,842.36/256,468.98 = 105,272.20/x
  3. Step 3: Cross multiply
    185,842.36x = 256,468.98 × 105,272.20
  4. Step 4: Simplify right side
    185,842.36x = 26,999,053,756.36
  5. Step 5: Solve for x
    x = 26,999,053,756.36/185,842.36
  6. Step 6: Final answer
    x = 145,279.33

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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.