Home / 314,513.50-434,015.61-171,273.22

Finding the Fourth Proportional to 314,513.50, 434,015.61 and 171,273.22

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Solution

The fourth proportional to 314,513.50, 434,015.61 and 171,273.22 is: 236,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,513.50 : 434,015.61 = 171,273.22 : x
  2. Step 2: Convert to fraction form
    314,513.50/434,015.61 = 171,273.22/x
  3. Step 3: Cross multiply
    314,513.50x = 434,015.61 × 171,273.22
  4. Step 4: Simplify right side
    314,513.50x = 74,335,251,054.96
  5. Step 5: Solve for x
    x = 74,335,251,054.96/314,513.50
  6. Step 6: Final answer
    x = 236,349.95

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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.