Home / 131,648.40-181,477.80-95,781.60

Finding the Fourth Proportional to 131,648.40, 181,477.80 and 95,781.60

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Solution

The fourth proportional to 131,648.40, 181,477.80 and 95,781.60 is: 132,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,648.40 : 181,477.80 = 95,781.60 : x
  2. Step 2: Convert to fraction form
    131,648.40/181,477.80 = 95,781.60/x
  3. Step 3: Cross multiply
    131,648.40x = 181,477.80 × 95,781.60
  4. Step 4: Simplify right side
    131,648.40x = 17,382,234,048.48
  5. Step 5: Solve for x
    x = 17,382,234,048.48/131,648.40
  6. Step 6: Final answer
    x = 132,035.29

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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.