Home / 320,111.53-441,752.99-176,870.55

Finding the Fourth Proportional to 320,111.53, 441,752.99 and 176,870.55

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Solution

The fourth proportional to 320,111.53, 441,752.99 and 176,870.55 is: 244,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,111.53 : 441,752.99 = 176,870.55 : x
  2. Step 2: Convert to fraction form
    320,111.53/441,752.99 = 176,870.55/x
  3. Step 3: Cross multiply
    320,111.53x = 441,752.99 × 176,870.55
  4. Step 4: Simplify right side
    320,111.53x = 78,133,094,305.44
  5. Step 5: Solve for x
    x = 78,133,094,305.44/320,111.53
  6. Step 6: Final answer
    x = 244,080.85

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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.