Home / 209,087.10-288,541.58-113,593.77

Finding the Fourth Proportional to 209,087.10, 288,541.58 and 113,593.77

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Solution

The fourth proportional to 209,087.10, 288,541.58 and 113,593.77 is: 156,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,087.10 : 288,541.58 = 113,593.77 : x
  2. Step 2: Convert to fraction form
    209,087.10/288,541.58 = 113,593.77/x
  3. Step 3: Cross multiply
    209,087.10x = 288,541.58 × 113,593.77
  4. Step 4: Simplify right side
    209,087.10x = 32,776,525,873.96
  5. Step 5: Solve for x
    x = 32,776,525,873.96/209,087.10
  6. Step 6: Final answer
    x = 156,760.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.