Home / 161,939.17-223,476.45-90,323.83

Finding the Fourth Proportional to 161,939.17, 223,476.45 and 90,323.83

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Solution

The fourth proportional to 161,939.17, 223,476.45 and 90,323.83 is: 124,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,939.17 : 223,476.45 = 90,323.83 : x
  2. Step 2: Convert to fraction form
    161,939.17/223,476.45 = 90,323.83/x
  3. Step 3: Cross multiply
    161,939.17x = 223,476.45 × 90,323.83
  4. Step 4: Simplify right side
    161,939.17x = 20,185,248,878.80
  5. Step 5: Solve for x
    x = 20,185,248,878.80/161,939.17
  6. Step 6: Final answer
    x = 124,647.11

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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.