Home / 181,660.47-250,549.43-118,018.77

Finding the Fourth Proportional to 181,660.47, 250,549.43 and 118,018.77

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Solution

The fourth proportional to 181,660.47, 250,549.43 and 118,018.77 is: 162,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,660.47 : 250,549.43 = 118,018.77 : x
  2. Step 2: Convert to fraction form
    181,660.47/250,549.43 = 118,018.77/x
  3. Step 3: Cross multiply
    181,660.47x = 250,549.43 × 118,018.77
  4. Step 4: Simplify right side
    181,660.47x = 29,569,535,552.80
  5. Step 5: Solve for x
    x = 29,569,535,552.80/181,660.47
  6. Step 6: Final answer
    x = 162,773.64

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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.