Home / 209,875.45-314,720.29-60,081.61

Finding the Fourth Proportional to 209,875.45, 314,720.29 and 60,081.61

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Solution

The fourth proportional to 209,875.45, 314,720.29 and 60,081.61 is: 90,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,875.45 : 314,720.29 = 60,081.61 : x
  2. Step 2: Convert to fraction form
    209,875.45/314,720.29 = 60,081.61/x
  3. Step 3: Cross multiply
    209,875.45x = 314,720.29 × 60,081.61
  4. Step 4: Simplify right side
    209,875.45x = 18,908,901,722.87
  5. Step 5: Solve for x
    x = 18,908,901,722.87/209,875.45
  6. Step 6: Final answer
    x = 90,095.82

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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.