Home / 160,386.43-221,308.61-92,390.12

Finding the Fourth Proportional to 160,386.43, 221,308.61 and 92,390.12

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Solution

The fourth proportional to 160,386.43, 221,308.61 and 92,390.12 is: 127,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,386.43 : 221,308.61 = 92,390.12 : x
  2. Step 2: Convert to fraction form
    160,386.43/221,308.61 = 92,390.12/x
  3. Step 3: Cross multiply
    160,386.43x = 221,308.61 × 92,390.12
  4. Step 4: Simplify right side
    160,386.43x = 20,446,729,819.18
  5. Step 5: Solve for x
    x = 20,446,729,819.18/160,386.43
  6. Step 6: Final answer
    x = 127,484.17

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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.