Home / 185,725.71-256,298.85-105,151.14

Finding the Fourth Proportional to 185,725.71, 256,298.85 and 105,151.14

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Solution

The fourth proportional to 185,725.71, 256,298.85 and 105,151.14 is: 145,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,725.71 : 256,298.85 = 105,151.14 : x
  2. Step 2: Convert to fraction form
    185,725.71/256,298.85 = 105,151.14/x
  3. Step 3: Cross multiply
    185,725.71x = 256,298.85 × 105,151.14
  4. Step 4: Simplify right side
    185,725.71x = 26,950,116,258.19
  5. Step 5: Solve for x
    x = 26,950,116,258.19/185,725.71
  6. Step 6: Final answer
    x = 145,107.08

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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.