Home / 209,420.17-314,126.16-59,661.43

Finding the Fourth Proportional to 209,420.17, 314,126.16 and 59,661.43

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Solution

The fourth proportional to 209,420.17, 314,126.16 and 59,661.43 is: 89,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,420.17 : 314,126.16 = 59,661.43 : x
  2. Step 2: Convert to fraction form
    209,420.17/314,126.16 = 59,661.43/x
  3. Step 3: Cross multiply
    209,420.17x = 314,126.16 × 59,661.43
  4. Step 4: Simplify right side
    209,420.17x = 18,741,215,906.01
  5. Step 5: Solve for x
    x = 18,741,215,906.01/209,420.17
  6. Step 6: Final answer
    x = 89,490.98

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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.