Home / 191,934.88-264,754-123,845.28

Finding the Fourth Proportional to 191,934.88, 264,754 and 123,845.28

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Solution

The fourth proportional to 191,934.88, 264,754 and 123,845.28 is: 170,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,934.88 : 264,754 = 123,845.28 : x
  2. Step 2: Convert to fraction form
    191,934.88/264,754 = 123,845.28/x
  3. Step 3: Cross multiply
    191,934.88x = 264,754 × 123,845.28
  4. Step 4: Simplify right side
    191,934.88x = 32,788,533,261.12
  5. Step 5: Solve for x
    x = 32,788,533,261.12/191,934.88
  6. Step 6: Final answer
    x = 170,831.55

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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.