Home / 343,971.20-474,664.28-191,019.12

Finding the Fourth Proportional to 343,971.20, 474,664.28 and 191,019.12

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Solution

The fourth proportional to 343,971.20, 474,664.28 and 191,019.12 is: 263,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,971.20 : 474,664.28 = 191,019.12 : x
  2. Step 2: Convert to fraction form
    343,971.20/474,664.28 = 191,019.12/x
  3. Step 3: Cross multiply
    343,971.20x = 474,664.28 × 191,019.12
  4. Step 4: Simplify right side
    343,971.20x = 90,669,953,061.03
  5. Step 5: Solve for x
    x = 90,669,953,061.03/343,971.20
  6. Step 6: Final answer
    x = 263,597.51

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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.