Home / 222,031.13-306,410.24-121,429.13

Finding the Fourth Proportional to 222,031.13, 306,410.24 and 121,429.13

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Solution

The fourth proportional to 222,031.13, 306,410.24 and 121,429.13 is: 167,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,031.13 : 306,410.24 = 121,429.13 : x
  2. Step 2: Convert to fraction form
    222,031.13/306,410.24 = 121,429.13/x
  3. Step 3: Cross multiply
    222,031.13x = 306,410.24 × 121,429.13
  4. Step 4: Simplify right side
    222,031.13x = 37,207,127,637.81
  5. Step 5: Solve for x
    x = 37,207,127,637.81/222,031.13
  6. Step 6: Final answer
    x = 167,576.18

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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.