Home / 145,631.10-218,446.65-96,383.10

Finding the Fourth Proportional to 145,631.10, 218,446.65 and 96,383.10

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Solution

The fourth proportional to 145,631.10, 218,446.65 and 96,383.10 is: 144,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,631.10 : 218,446.65 = 96,383.10 : x
  2. Step 2: Convert to fraction form
    145,631.10/218,446.65 = 96,383.10/x
  3. Step 3: Cross multiply
    145,631.10x = 218,446.65 × 96,383.10
  4. Step 4: Simplify right side
    145,631.10x = 21,054,565,311.62
  5. Step 5: Solve for x
    x = 21,054,565,311.62/145,631.10
  6. Step 6: Final answer
    x = 144,574.65

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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.