Home / 117,315.89-175,980.68-45,269.18

Finding the Fourth Proportional to 117,315.89, 175,980.68 and 45,269.18

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Solution

The fourth proportional to 117,315.89, 175,980.68 and 45,269.18 is: 67,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,315.89 : 175,980.68 = 45,269.18 : x
  2. Step 2: Convert to fraction form
    117,315.89/175,980.68 = 45,269.18/x
  3. Step 3: Cross multiply
    117,315.89x = 175,980.68 × 45,269.18
  4. Step 4: Simplify right side
    117,315.89x = 7,966,499,973.19
  5. Step 5: Solve for x
    x = 7,966,499,973.19/117,315.89
  6. Step 6: Final answer
    x = 67,906.40

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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.