Home / 163,948.24-225,772.14-142,428.16

Finding the Fourth Proportional to 163,948.24, 225,772.14 and 142,428.16

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Solution

The fourth proportional to 163,948.24, 225,772.14 and 142,428.16 is: 196,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,948.24 : 225,772.14 = 142,428.16 : x
  2. Step 2: Convert to fraction form
    163,948.24/225,772.14 = 142,428.16/x
  3. Step 3: Cross multiply
    163,948.24x = 225,772.14 × 142,428.16
  4. Step 4: Simplify right side
    163,948.24x = 32,156,310,479.46
  5. Step 5: Solve for x
    x = 32,156,310,479.46/163,948.24
  6. Step 6: Final answer
    x = 196,136.97

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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.