Home / 133,026.31-183,568.95-75,657.88

Finding the Fourth Proportional to 133,026.31, 183,568.95 and 75,657.88

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Solution

The fourth proportional to 133,026.31, 183,568.95 and 75,657.88 is: 104,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.31 : 183,568.95 = 75,657.88 : x
  2. Step 2: Convert to fraction form
    133,026.31/183,568.95 = 75,657.88/x
  3. Step 3: Cross multiply
    133,026.31x = 183,568.95 × 75,657.88
  4. Step 4: Simplify right side
    133,026.31x = 13,888,437,590.83
  5. Step 5: Solve for x
    x = 13,888,437,590.83/133,026.31
  6. Step 6: Final answer
    x = 104,403.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.