Home / 223,938.40-309,056.80-167,251.36

Finding the Fourth Proportional to 223,938.40, 309,056.80 and 167,251.36

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Solution

The fourth proportional to 223,938.40, 309,056.80 and 167,251.36 is: 230,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,938.40 : 309,056.80 = 167,251.36 : x
  2. Step 2: Convert to fraction form
    223,938.40/309,056.80 = 167,251.36/x
  3. Step 3: Cross multiply
    223,938.40x = 309,056.80 × 167,251.36
  4. Step 4: Simplify right side
    223,938.40x = 51,690,170,117.25
  5. Step 5: Solve for x
    x = 51,690,170,117.25/223,938.40
  6. Step 6: Final answer
    x = 230,823.16

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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.