Home / 165,715.50-248,110.11-89,541.18

Finding the Fourth Proportional to 165,715.50, 248,110.11 and 89,541.18

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Solution

The fourth proportional to 165,715.50, 248,110.11 and 89,541.18 is: 134,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,715.50 : 248,110.11 = 89,541.18 : x
  2. Step 2: Convert to fraction form
    165,715.50/248,110.11 = 89,541.18/x
  3. Step 3: Cross multiply
    165,715.50x = 248,110.11 × 89,541.18
  4. Step 4: Simplify right side
    165,715.50x = 22,216,072,019.33
  5. Step 5: Solve for x
    x = 22,216,072,019.33/165,715.50
  6. Step 6: Final answer
    x = 134,061.52

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1.5x scale

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.