Home / 185,941.12-256,541.76-105,355.84

Finding the Fourth Proportional to 185,941.12, 256,541.76 and 105,355.84

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Solution

The fourth proportional to 185,941.12, 256,541.76 and 105,355.84 is: 145,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,941.12 : 256,541.76 = 105,355.84 : x
  2. Step 2: Convert to fraction form
    185,941.12/256,541.76 = 105,355.84/x
  3. Step 3: Cross multiply
    185,941.12x = 256,541.76 × 105,355.84
  4. Step 4: Simplify right side
    185,941.12x = 27,028,172,619.88
  5. Step 5: Solve for x
    x = 27,028,172,619.88/185,941.12
  6. Step 6: Final answer
    x = 145,358.77

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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.