Home / 88,493.16-121,163.13-88,182.12

Finding the Fourth Proportional to 88,493.16, 121,163.13 and 88,182.12

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Solution

The fourth proportional to 88,493.16, 121,163.13 and 88,182.12 is: 120,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,493.16 : 121,163.13 = 88,182.12 : x
  2. Step 2: Convert to fraction form
    88,493.16/121,163.13 = 88,182.12/x
  3. Step 3: Cross multiply
    88,493.16x = 121,163.13 × 88,182.12
  4. Step 4: Simplify right side
    88,493.16x = 10,684,421,669.24
  5. Step 5: Solve for x
    x = 10,684,421,669.24/88,493.16
  6. Step 6: Final answer
    x = 120,737.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.