Home / 147,097.47-220,646.20-102,810.72

Finding the Fourth Proportional to 147,097.47, 220,646.20 and 102,810.72

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Solution

The fourth proportional to 147,097.47, 220,646.20 and 102,810.72 is: 154,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,097.47 : 220,646.20 = 102,810.72 : x
  2. Step 2: Convert to fraction form
    147,097.47/220,646.20 = 102,810.72/x
  3. Step 3: Cross multiply
    147,097.47x = 220,646.20 × 102,810.72
  4. Step 4: Simplify right side
    147,097.47x = 22,684,794,687.26
  5. Step 5: Solve for x
    x = 22,684,794,687.26/147,097.47
  6. Step 6: Final answer
    x = 154,216.08

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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.