Home / 125,512.30-188,268.45-97,518.70

Finding the Fourth Proportional to 125,512.30, 188,268.45 and 97,518.70

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Solution

The fourth proportional to 125,512.30, 188,268.45 and 97,518.70 is: 146,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512.30 : 188,268.45 = 97,518.70 : x
  2. Step 2: Convert to fraction form
    125,512.30/188,268.45 = 97,518.70/x
  3. Step 3: Cross multiply
    125,512.30x = 188,268.45 × 97,518.70
  4. Step 4: Simplify right side
    125,512.30x = 18,359,694,495.02
  5. Step 5: Solve for x
    x = 18,359,694,495.02/125,512.30
  6. Step 6: Final answer
    x = 146,278.05

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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.