Home / 108,727.40-163,091.10-104,925.80

Finding the Fourth Proportional to 108,727.40, 163,091.10 and 104,925.80

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Solution

The fourth proportional to 108,727.40, 163,091.10 and 104,925.80 is: 157,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.40 : 163,091.10 = 104,925.80 : x
  2. Step 2: Convert to fraction form
    108,727.40/163,091.10 = 104,925.80/x
  3. Step 3: Cross multiply
    108,727.40x = 163,091.10 × 104,925.80
  4. Step 4: Simplify right side
    108,727.40x = 17,112,464,140.38
  5. Step 5: Solve for x
    x = 17,112,464,140.38/108,727.40
  6. Step 6: Final answer
    x = 157,388.70

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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.