Home / 116,819.19-161,210.35-63,104.20

Finding the Fourth Proportional to 116,819.19, 161,210.35 and 63,104.20

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Solution

The fourth proportional to 116,819.19, 161,210.35 and 63,104.20 is: 87,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,819.19 : 161,210.35 = 63,104.20 : x
  2. Step 2: Convert to fraction form
    116,819.19/161,210.35 = 63,104.20/x
  3. Step 3: Cross multiply
    116,819.19x = 161,210.35 × 63,104.20
  4. Step 4: Simplify right side
    116,819.19x = 10,173,050,168.47
  5. Step 5: Solve for x
    x = 10,173,050,168.47/116,819.19
  6. Step 6: Final answer
    x = 87,083.72

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1.5x scale

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.