Home / 185,238.96-277,875.48-85,426.74

Finding the Fourth Proportional to 185,238.96, 277,875.48 and 85,426.74

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Solution

The fourth proportional to 185,238.96, 277,875.48 and 85,426.74 is: 128,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,238.96 : 277,875.48 = 85,426.74 : x
  2. Step 2: Convert to fraction form
    185,238.96/277,875.48 = 85,426.74/x
  3. Step 3: Cross multiply
    185,238.96x = 277,875.48 × 85,426.74
  4. Step 4: Simplify right side
    185,238.96x = 23,737,996,382.34
  5. Step 5: Solve for x
    x = 23,737,996,382.34/185,238.96
  6. Step 6: Final answer
    x = 128,147.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.