Home / 153,988.15-230,990.37-48,815.32

Finding the Fourth Proportional to 153,988.15, 230,990.37 and 48,815.32

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Solution

The fourth proportional to 153,988.15, 230,990.37 and 48,815.32 is: 73,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,988.15 : 230,990.37 = 48,815.32 : x
  2. Step 2: Convert to fraction form
    153,988.15/230,990.37 = 48,815.32/x
  3. Step 3: Cross multiply
    153,988.15x = 230,990.37 × 48,815.32
  4. Step 4: Simplify right side
    153,988.15x = 11,275,868,828.47
  5. Step 5: Solve for x
    x = 11,275,868,828.47/153,988.15
  6. Step 6: Final answer
    x = 73,225.56

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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.