Home / 185,570.40-256,090.13-100,687.46

Finding the Fourth Proportional to 185,570.40, 256,090.13 and 100,687.46

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Solution

The fourth proportional to 185,570.40, 256,090.13 and 100,687.46 is: 138,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,570.40 : 256,090.13 = 100,687.46 : x
  2. Step 2: Convert to fraction form
    185,570.40/256,090.13 = 100,687.46/x
  3. Step 3: Cross multiply
    185,570.40x = 256,090.13 × 100,687.46
  4. Step 4: Simplify right side
    185,570.40x = 25,785,065,612.71
  5. Step 5: Solve for x
    x = 25,785,065,612.71/185,570.40
  6. Step 6: Final answer
    x = 138,950.32

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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.