Home / 133,151.67-183,741.86-75,804.95

Finding the Fourth Proportional to 133,151.67, 183,741.86 and 75,804.95

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Solution

The fourth proportional to 133,151.67, 183,741.86 and 75,804.95 is: 104,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,151.67 : 183,741.86 = 75,804.95 : x
  2. Step 2: Convert to fraction form
    133,151.67/183,741.86 = 75,804.95/x
  3. Step 3: Cross multiply
    133,151.67x = 183,741.86 × 75,804.95
  4. Step 4: Simplify right side
    133,151.67x = 13,928,543,159.07
  5. Step 5: Solve for x
    x = 13,928,543,159.07/133,151.67
  6. Step 6: Final answer
    x = 104,606.60

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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.