Home / 185,865.48-256,494.96-105,307.92

Finding the Fourth Proportional to 185,865.48, 256,494.96 and 105,307.92

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Solution

The fourth proportional to 185,865.48, 256,494.96 and 105,307.92 is: 145,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,865.48 : 256,494.96 = 105,307.92 : x
  2. Step 2: Convert to fraction form
    185,865.48/256,494.96 = 105,307.92/x
  3. Step 3: Cross multiply
    185,865.48x = 256,494.96 × 105,307.92
  4. Step 4: Simplify right side
    185,865.48x = 27,010,950,728.08
  5. Step 5: Solve for x
    x = 27,010,950,728.08/185,865.48
  6. Step 6: Final answer
    x = 145,325.27

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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.