Home / 320,026.04-441,619.70-176,758.40

Finding the Fourth Proportional to 320,026.04, 441,619.70 and 176,758.40

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Solution

The fourth proportional to 320,026.04, 441,619.70 and 176,758.40 is: 243,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,026.04 : 441,619.70 = 176,758.40 : x
  2. Step 2: Convert to fraction form
    320,026.04/441,619.70 = 176,758.40/x
  3. Step 3: Cross multiply
    320,026.04x = 441,619.70 × 176,758.40
  4. Step 4: Simplify right side
    320,026.04x = 78,059,991,800.74
  5. Step 5: Solve for x
    x = 78,059,991,800.74/320,026.04
  6. Step 6: Final answer
    x = 243,917.63

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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.