Home / 113,436.66-170,154.99-30,328.50

Finding the Fourth Proportional to 113,436.66, 170,154.99 and 30,328.50

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Solution

The fourth proportional to 113,436.66, 170,154.99 and 30,328.50 is: 45,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,436.66 : 170,154.99 = 30,328.50 : x
  2. Step 2: Convert to fraction form
    113,436.66/170,154.99 = 30,328.50/x
  3. Step 3: Cross multiply
    113,436.66x = 170,154.99 × 30,328.50
  4. Step 4: Simplify right side
    113,436.66x = 5,160,545,614.22
  5. Step 5: Solve for x
    x = 5,160,545,614.22/113,436.66
  6. Step 6: Final answer
    x = 45,492.75

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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.