Home / 112,276.40-168,414.60-111,498.80

Finding the Fourth Proportional to 112,276.40, 168,414.60 and 111,498.80

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Solution

The fourth proportional to 112,276.40, 168,414.60 and 111,498.80 is: 167,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,276.40 : 168,414.60 = 111,498.80 : x
  2. Step 2: Convert to fraction form
    112,276.40/168,414.60 = 111,498.80/x
  3. Step 3: Cross multiply
    112,276.40x = 168,414.60 × 111,498.80
  4. Step 4: Simplify right side
    112,276.40x = 18,778,025,802.48
  5. Step 5: Solve for x
    x = 18,778,025,802.48/112,276.40
  6. Step 6: Final answer
    x = 167,248.20

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1.5x scale

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.