Home / 215,547.84-323,385.76-110,440.64

Finding the Fourth Proportional to 215,547.84, 323,385.76 and 110,440.64

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Solution

The fourth proportional to 215,547.84, 323,385.76 and 110,440.64 is: 165,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,547.84 : 323,385.76 = 110,440.64 : x
  2. Step 2: Convert to fraction form
    215,547.84/323,385.76 = 110,440.64/x
  3. Step 3: Cross multiply
    215,547.84x = 323,385.76 × 110,440.64
  4. Step 4: Simplify right side
    215,547.84x = 35,714,930,301.29
  5. Step 5: Solve for x
    x = 35,714,930,301.29/215,547.84
  6. Step 6: Final answer
    x = 165,693.75

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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.