Home / 410,403.57-615,667.04-144,117.21

Finding the Fourth Proportional to 410,403.57, 615,667.04 and 144,117.21

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Solution

The fourth proportional to 410,403.57, 615,667.04 and 144,117.21 is: 216,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,403.57 : 615,667.04 = 144,117.21 : x
  2. Step 2: Convert to fraction form
    410,403.57/615,667.04 = 144,117.21/x
  3. Step 3: Cross multiply
    410,403.57x = 615,667.04 × 144,117.21
  4. Step 4: Simplify right side
    410,403.57x = 88,728,216,093.76
  5. Step 5: Solve for x
    x = 88,728,216,093.76/410,403.57
  6. Step 6: Final answer
    x = 216,197.48

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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.