Home / 185,699.45-278,442.34-99,038.41

Finding the Fourth Proportional to 185,699.45, 278,442.34 and 99,038.41

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Solution

The fourth proportional to 185,699.45, 278,442.34 and 99,038.41 is: 148,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,699.45 : 278,442.34 = 99,038.41 : x
  2. Step 2: Convert to fraction form
    185,699.45/278,442.34 = 99,038.41/x
  3. Step 3: Cross multiply
    185,699.45x = 278,442.34 × 99,038.41
  4. Step 4: Simplify right side
    185,699.45x = 27,576,485,686.58
  5. Step 5: Solve for x
    x = 27,576,485,686.58/185,699.45
  6. Step 6: Final answer
    x = 148,500.63

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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.