Home / 319,776.11-441,279.43-176,533.08

Finding the Fourth Proportional to 319,776.11, 441,279.43 and 176,533.08

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Solution

The fourth proportional to 319,776.11, 441,279.43 and 176,533.08 is: 243,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,776.11 : 441,279.43 = 176,533.08 : x
  2. Step 2: Convert to fraction form
    319,776.11/441,279.43 = 176,533.08/x
  3. Step 3: Cross multiply
    319,776.11x = 441,279.43 × 176,533.08
  4. Step 4: Simplify right side
    319,776.11x = 77,900,416,918.54
  5. Step 5: Solve for x
    x = 77,900,416,918.54/319,776.11
  6. Step 6: Final answer
    x = 243,609.25

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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.