Home / 147,397.13-221,142.41-52,625.24

Finding the Fourth Proportional to 147,397.13, 221,142.41 and 52,625.24

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Solution

The fourth proportional to 147,397.13, 221,142.41 and 52,625.24 is: 78,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,397.13 : 221,142.41 = 52,625.24 : x
  2. Step 2: Convert to fraction form
    147,397.13/221,142.41 = 52,625.24/x
  3. Step 3: Cross multiply
    147,397.13x = 221,142.41 × 52,625.24
  4. Step 4: Simplify right side
    147,397.13x = 11,637,671,031.59
  5. Step 5: Solve for x
    x = 11,637,671,031.59/147,397.13
  6. Step 6: Final answer
    x = 78,954.53

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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.