Home / 124,944.68-172,302.57-105,823.01

Finding the Fourth Proportional to 124,944.68, 172,302.57 and 105,823.01

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Solution

The fourth proportional to 124,944.68, 172,302.57 and 105,823.01 is: 145,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944.68 : 172,302.57 = 105,823.01 : x
  2. Step 2: Convert to fraction form
    124,944.68/172,302.57 = 105,823.01/x
  3. Step 3: Cross multiply
    124,944.68x = 172,302.57 × 105,823.01
  4. Step 4: Simplify right side
    124,944.68x = 18,233,575,726.62
  5. Step 5: Solve for x
    x = 18,233,575,726.62/124,944.68
  6. Step 6: Final answer
    x = 145,933.20

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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.