Home / 140,363.65-210,687.40-124,455.05

Finding the Fourth Proportional to 140,363.65, 210,687.40 and 124,455.05

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Solution

The fourth proportional to 140,363.65, 210,687.40 and 124,455.05 is: 186,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363.65 : 210,687.40 = 124,455.05 : x
  2. Step 2: Convert to fraction form
    140,363.65/210,687.40 = 124,455.05/x
  3. Step 3: Cross multiply
    140,363.65x = 210,687.40 × 124,455.05
  4. Step 4: Simplify right side
    140,363.65x = 26,221,110,793.58
  5. Step 5: Solve for x
    x = 26,221,110,793.58/140,363.65
  6. Step 6: Final answer
    x = 186,808.41

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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.