Home / 215,890.04-323,830.20-97,529.60

Finding the Fourth Proportional to 215,890.04, 323,830.20 and 97,529.60

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Solution

The fourth proportional to 215,890.04, 323,830.20 and 97,529.60 is: 146,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,890.04 : 323,830.20 = 97,529.60 : x
  2. Step 2: Convert to fraction form
    215,890.04/323,830.20 = 97,529.60/x
  3. Step 3: Cross multiply
    215,890.04x = 323,830.20 × 97,529.60
  4. Step 4: Simplify right side
    215,890.04x = 31,583,029,873.92
  5. Step 5: Solve for x
    x = 31,583,029,873.92/215,890.04
  6. Step 6: Final answer
    x = 146,292.20

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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.