Home / 183,840.10-275,468.55-121,437.70

Finding the Fourth Proportional to 183,840.10, 275,468.55 and 121,437.70

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Solution

The fourth proportional to 183,840.10, 275,468.55 and 121,437.70 is: 181,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,840.10 : 275,468.55 = 121,437.70 : x
  2. Step 2: Convert to fraction form
    183,840.10/275,468.55 = 121,437.70/x
  3. Step 3: Cross multiply
    183,840.10x = 275,468.55 × 121,437.70
  4. Step 4: Simplify right side
    183,840.10x = 33,452,267,134.34
  5. Step 5: Solve for x
    x = 33,452,267,134.34/183,840.10
  6. Step 6: Final answer
    x = 181,963.93

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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.