Home / 211,267.56-316,688.10-132,437.15

Finding the Fourth Proportional to 211,267.56, 316,688.10 and 132,437.15

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Solution

The fourth proportional to 211,267.56, 316,688.10 and 132,437.15 is: 198,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,267.56 : 316,688.10 = 132,437.15 : x
  2. Step 2: Convert to fraction form
    211,267.56/316,688.10 = 132,437.15/x
  3. Step 3: Cross multiply
    211,267.56x = 316,688.10 × 132,437.15
  4. Step 4: Simplify right side
    211,267.56x = 41,941,269,402.92
  5. Step 5: Solve for x
    x = 41,941,269,402.92/211,267.56
  6. Step 6: Final answer
    x = 198,522.05

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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.