Home / 239,028.77-358,543.19-79,061.81

Finding the Fourth Proportional to 239,028.77, 358,543.19 and 79,061.81

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Solution

The fourth proportional to 239,028.77, 358,543.19 and 79,061.81 is: 118,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,028.77 : 358,543.19 = 79,061.81 : x
  2. Step 2: Convert to fraction form
    239,028.77/358,543.19 = 79,061.81/x
  3. Step 3: Cross multiply
    239,028.77x = 358,543.19 × 79,061.81
  4. Step 4: Simplify right side
    239,028.77x = 28,347,071,969.51
  5. Step 5: Solve for x
    x = 28,347,071,969.51/239,028.77
  6. Step 6: Final answer
    x = 118,592.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.