Home / 189,224.29-261,192.77-112,767.38

Finding the Fourth Proportional to 189,224.29, 261,192.77 and 112,767.38

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Solution

The fourth proportional to 189,224.29, 261,192.77 and 112,767.38 is: 155,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,224.29 : 261,192.77 = 112,767.38 : x
  2. Step 2: Convert to fraction form
    189,224.29/261,192.77 = 112,767.38/x
  3. Step 3: Cross multiply
    189,224.29x = 261,192.77 × 112,767.38
  4. Step 4: Simplify right side
    189,224.29x = 29,454,024,347.84
  5. Step 5: Solve for x
    x = 29,454,024,347.84/189,224.29
  6. Step 6: Final answer
    x = 155,656.68

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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.