Home / 234,457.18-323,564.56-132,480

Finding the Fourth Proportional to 234,457.18, 323,564.56 and 132,480

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Solution

The fourth proportional to 234,457.18, 323,564.56 and 132,480 is: 182,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,457.18 : 323,564.56 = 132,480 : x
  2. Step 2: Convert to fraction form
    234,457.18/323,564.56 = 132,480/x
  3. Step 3: Cross multiply
    234,457.18x = 323,564.56 × 132,480
  4. Step 4: Simplify right side
    234,457.18x = 42,865,832,577.60
  5. Step 5: Solve for x
    x = 42,865,832,577.60/234,457.18
  6. Step 6: Final answer
    x = 182,830.11

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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.