Home / 172,479.02-258,719.67-60,158.81

Finding the Fourth Proportional to 172,479.02, 258,719.67 and 60,158.81

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Solution

The fourth proportional to 172,479.02, 258,719.67 and 60,158.81 is: 90,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,479.02 : 258,719.67 = 60,158.81 : x
  2. Step 2: Convert to fraction form
    172,479.02/258,719.67 = 60,158.81/x
  3. Step 3: Cross multiply
    172,479.02x = 258,719.67 × 60,158.81
  4. Step 4: Simplify right side
    172,479.02x = 15,564,268,117.59
  5. Step 5: Solve for x
    x = 15,564,268,117.59/172,479.02
  6. Step 6: Final answer
    x = 90,238.62

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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.