Home / 185,842.60-256,434.06-109,400.20

Finding the Fourth Proportional to 185,842.60, 256,434.06 and 109,400.20

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Solution

The fourth proportional to 185,842.60, 256,434.06 and 109,400.20 is: 150,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.60 : 256,434.06 = 109,400.20 : x
  2. Step 2: Convert to fraction form
    185,842.60/256,434.06 = 109,400.20/x
  3. Step 3: Cross multiply
    185,842.60x = 256,434.06 × 109,400.20
  4. Step 4: Simplify right side
    185,842.60x = 28,053,937,450.81
  5. Step 5: Solve for x
    x = 28,053,937,450.81/185,842.60
  6. Step 6: Final answer
    x = 150,955.36

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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.