Home / 314,744.04-434,346.09-171,503.75

Finding the Fourth Proportional to 314,744.04, 434,346.09 and 171,503.75

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Solution

The fourth proportional to 314,744.04, 434,346.09 and 171,503.75 is: 236,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,744.04 : 434,346.09 = 171,503.75 : x
  2. Step 2: Convert to fraction form
    314,744.04/434,346.09 = 171,503.75/x
  3. Step 3: Cross multiply
    314,744.04x = 434,346.09 × 171,503.75
  4. Step 4: Simplify right side
    314,744.04x = 74,491,981,061.11
  5. Step 5: Solve for x
    x = 74,491,981,061.11/314,744.04
  6. Step 6: Final answer
    x = 236,674.79

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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.