Home / 314,918.52-434,456.72-185,805.75

Finding the Fourth Proportional to 314,918.52, 434,456.72 and 185,805.75

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Solution

The fourth proportional to 314,918.52, 434,456.72 and 185,805.75 is: 256,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,918.52 : 434,456.72 = 185,805.75 : x
  2. Step 2: Convert to fraction form
    314,918.52/434,456.72 = 185,805.75/x
  3. Step 3: Cross multiply
    314,918.52x = 434,456.72 × 185,805.75
  4. Step 4: Simplify right side
    314,918.52x = 80,724,555,773.11
  5. Step 5: Solve for x
    x = 80,724,555,773.11/314,918.52
  6. Step 6: Final answer
    x = 256,334.74

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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.