Home / 108,380.01-163,382.35-101,154.81

Finding the Fourth Proportional to 108,380.01, 163,382.35 and 101,154.81

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Solution

The fourth proportional to 108,380.01, 163,382.35 and 101,154.81 is: 152,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,380.01 : 163,382.35 = 101,154.81 : x
  2. Step 2: Convert to fraction form
    108,380.01/163,382.35 = 101,154.81/x
  3. Step 3: Cross multiply
    108,380.01x = 163,382.35 × 101,154.81
  4. Step 4: Simplify right side
    108,380.01x = 16,526,910,571.60
  5. Step 5: Solve for x
    x = 16,526,910,571.60/108,380.01
  6. Step 6: Final answer
    x = 152,490.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.