Home / 222,013.18-306,373.62-121,411.18

Finding the Fourth Proportional to 222,013.18, 306,373.62 and 121,411.18

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Solution

The fourth proportional to 222,013.18, 306,373.62 and 121,411.18 is: 167,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,013.18 : 306,373.62 = 121,411.18 : x
  2. Step 2: Convert to fraction form
    222,013.18/306,373.62 = 121,411.18/x
  3. Step 3: Cross multiply
    222,013.18x = 306,373.62 × 121,411.18
  4. Step 4: Simplify right side
    222,013.18x = 37,197,182,725.07
  5. Step 5: Solve for x
    x = 37,197,182,725.07/222,013.18
  6. Step 6: Final answer
    x = 167,544.93

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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.