Home / 153,870.28-230,804.34-82,826.44

Finding the Fourth Proportional to 153,870.28, 230,804.34 and 82,826.44

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Solution

The fourth proportional to 153,870.28, 230,804.34 and 82,826.44 is: 124,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,870.28 : 230,804.34 = 82,826.44 : x
  2. Step 2: Convert to fraction form
    153,870.28/230,804.34 = 82,826.44/x
  3. Step 3: Cross multiply
    153,870.28x = 230,804.34 × 82,826.44
  4. Step 4: Simplify right side
    153,870.28x = 19,116,701,818.75
  5. Step 5: Solve for x
    x = 19,116,701,818.75/153,870.28
  6. Step 6: Final answer
    x = 124,239.08

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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.