Home / 166,938.20-230,386.02-94,315.91

Finding the Fourth Proportional to 166,938.20, 230,386.02 and 94,315.91

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Solution

The fourth proportional to 166,938.20, 230,386.02 and 94,315.91 is: 130,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,938.20 : 230,386.02 = 94,315.91 : x
  2. Step 2: Convert to fraction form
    166,938.20/230,386.02 = 94,315.91/x
  3. Step 3: Cross multiply
    166,938.20x = 230,386.02 × 94,315.91
  4. Step 4: Simplify right side
    166,938.20x = 21,729,066,476.47
  5. Step 5: Solve for x
    x = 21,729,066,476.47/166,938.20
  6. Step 6: Final answer
    x = 130,162.34

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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.