Home / 314,895.20-434,552.56-171,655.20

Finding the Fourth Proportional to 314,895.20, 434,552.56 and 171,655.20

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Solution

The fourth proportional to 314,895.20, 434,552.56 and 171,655.20 is: 236,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.20 : 434,552.56 = 171,655.20 : x
  2. Step 2: Convert to fraction form
    314,895.20/434,552.56 = 171,655.20/x
  3. Step 3: Cross multiply
    314,895.20x = 434,552.56 × 171,655.20
  4. Step 4: Simplify right side
    314,895.20x = 74,593,206,597.31
  5. Step 5: Solve for x
    x = 74,593,206,597.31/314,895.20
  6. Step 6: Final answer
    x = 236,882.64

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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.