Home / 215,345.04-323,028.72-65,573.76

Finding the Fourth Proportional to 215,345.04, 323,028.72 and 65,573.76

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Solution

The fourth proportional to 215,345.04, 323,028.72 and 65,573.76 is: 98,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,345.04 : 323,028.72 = 65,573.76 : x
  2. Step 2: Convert to fraction form
    215,345.04/323,028.72 = 65,573.76/x
  3. Step 3: Cross multiply
    215,345.04x = 323,028.72 × 65,573.76
  4. Step 4: Simplify right side
    215,345.04x = 21,182,207,758.39
  5. Step 5: Solve for x
    x = 21,182,207,758.39/215,345.04
  6. Step 6: Final answer
    x = 98,364.04

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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.