Home / 272,443.34-375,973.68-151,589.72

Finding the Fourth Proportional to 272,443.34, 375,973.68 and 151,589.72

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Solution

The fourth proportional to 272,443.34, 375,973.68 and 151,589.72 is: 209,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,443.34 : 375,973.68 = 151,589.72 : x
  2. Step 2: Convert to fraction form
    272,443.34/375,973.68 = 151,589.72/x
  3. Step 3: Cross multiply
    272,443.34x = 375,973.68 × 151,589.72
  4. Step 4: Simplify right side
    272,443.34x = 56,993,742,998.70
  5. Step 5: Solve for x
    x = 56,993,742,998.70/272,443.34
  6. Step 6: Final answer
    x = 209,194.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.