Home / 215,891.04-323,831.70-97,530.60

Finding the Fourth Proportional to 215,891.04, 323,831.70 and 97,530.60

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Solution

The fourth proportional to 215,891.04, 323,831.70 and 97,530.60 is: 146,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,891.04 : 323,831.70 = 97,530.60 : x
  2. Step 2: Convert to fraction form
    215,891.04/323,831.70 = 97,530.60/x
  3. Step 3: Cross multiply
    215,891.04x = 323,831.70 × 97,530.60
  4. Step 4: Simplify right side
    215,891.04x = 31,583,500,000.02
  5. Step 5: Solve for x
    x = 31,583,500,000.02/215,891.04
  6. Step 6: Final answer
    x = 146,293.70

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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.