Home / 113,005.76-155,820.32-92,523.92

Finding the Fourth Proportional to 113,005.76, 155,820.32 and 92,523.92

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Solution

The fourth proportional to 113,005.76, 155,820.32 and 92,523.92 is: 127,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,005.76 : 155,820.32 = 92,523.92 : x
  2. Step 2: Convert to fraction form
    113,005.76/155,820.32 = 92,523.92/x
  3. Step 3: Cross multiply
    113,005.76x = 155,820.32 × 92,523.92
  4. Step 4: Simplify right side
    113,005.76x = 14,417,106,822.05
  5. Step 5: Solve for x
    x = 14,417,106,822.05/113,005.76
  6. Step 6: Final answer
    x = 127,578.51

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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.