Home / 320,111.03-441,752.30-176,870.05

Finding the Fourth Proportional to 320,111.03, 441,752.30 and 176,870.05

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Solution

The fourth proportional to 320,111.03, 441,752.30 and 176,870.05 is: 244,080.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,111.03 : 441,752.30 = 176,870.05 : x
  2. Step 2: Convert to fraction form
    320,111.03/441,752.30 = 176,870.05/x
  3. Step 3: Cross multiply
    320,111.03x = 441,752.30 × 176,870.05
  4. Step 4: Simplify right side
    320,111.03x = 78,132,749,179.85
  5. Step 5: Solve for x
    x = 78,132,749,179.85/320,111.03
  6. Step 6: Final answer
    x = 244,080.16

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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.