Home / 183,420.32-253,165.02-111,839.78

Finding the Fourth Proportional to 183,420.32, 253,165.02 and 111,839.78

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Solution

The fourth proportional to 183,420.32, 253,165.02 and 111,839.78 is: 154,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,420.32 : 253,165.02 = 111,839.78 : x
  2. Step 2: Convert to fraction form
    183,420.32/253,165.02 = 111,839.78/x
  3. Step 3: Cross multiply
    183,420.32x = 253,165.02 × 111,839.78
  4. Step 4: Simplify right side
    183,420.32x = 28,313,920,140.50
  5. Step 5: Solve for x
    x = 28,313,920,140.50/183,420.32
  6. Step 6: Final answer
    x = 154,366.32

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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.