Home / 153,028.40-229,316.60-74,048.56

Finding the Fourth Proportional to 153,028.40, 229,316.60 and 74,048.56

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Solution

The fourth proportional to 153,028.40, 229,316.60 and 74,048.56 is: 110,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028.40 : 229,316.60 = 74,048.56 : x
  2. Step 2: Convert to fraction form
    153,028.40/229,316.60 = 74,048.56/x
  3. Step 3: Cross multiply
    153,028.40x = 229,316.60 × 74,048.56
  4. Step 4: Simplify right side
    153,028.40x = 16,980,564,014.10
  5. Step 5: Solve for x
    x = 16,980,564,014.10/153,028.40
  6. Step 6: Final answer
    x = 110,963.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.