Home / 143,030.83-214,547.78-43,191.88

Finding the Fourth Proportional to 143,030.83, 214,547.78 and 43,191.88

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Solution

The fourth proportional to 143,030.83, 214,547.78 and 43,191.88 is: 64,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030.83 : 214,547.78 = 43,191.88 : x
  2. Step 2: Convert to fraction form
    143,030.83/214,547.78 = 43,191.88/x
  3. Step 3: Cross multiply
    143,030.83x = 214,547.78 × 43,191.88
  4. Step 4: Simplify right side
    143,030.83x = 9,266,722,442.77
  5. Step 5: Solve for x
    x = 9,266,722,442.77/143,030.83
  6. Step 6: Final answer
    x = 64,788.29

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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.