Home / 320,215.14-441,858.60-176,955.72

Finding the Fourth Proportional to 320,215.14, 441,858.60 and 176,955.72

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Solution

The fourth proportional to 320,215.14, 441,858.60 and 176,955.72 is: 244,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,215.14 : 441,858.60 = 176,955.72 : x
  2. Step 2: Convert to fraction form
    320,215.14/441,858.60 = 176,955.72/x
  3. Step 3: Cross multiply
    320,215.14x = 441,858.60 × 176,955.72
  4. Step 4: Simplify right side
    320,215.14x = 78,189,406,701.19
  5. Step 5: Solve for x
    x = 78,189,406,701.19/320,215.14
  6. Step 6: Final answer
    x = 244,177.73

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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.