Home / 125,623.80-188,435.70-119,500.20

Finding the Fourth Proportional to 125,623.80, 188,435.70 and 119,500.20

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Solution

The fourth proportional to 125,623.80, 188,435.70 and 119,500.20 is: 179,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,623.80 : 188,435.70 = 119,500.20 : x
  2. Step 2: Convert to fraction form
    125,623.80/188,435.70 = 119,500.20/x
  3. Step 3: Cross multiply
    125,623.80x = 188,435.70 × 119,500.20
  4. Step 4: Simplify right side
    125,623.80x = 22,518,103,837.14
  5. Step 5: Solve for x
    x = 22,518,103,837.14/125,623.80
  6. Step 6: Final answer
    x = 179,250.30

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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.