Home / 133,222.95-183,842.19-72,795.65

Finding the Fourth Proportional to 133,222.95, 183,842.19 and 72,795.65

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Solution

The fourth proportional to 133,222.95, 183,842.19 and 72,795.65 is: 100,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,222.95 : 183,842.19 = 72,795.65 : x
  2. Step 2: Convert to fraction form
    133,222.95/183,842.19 = 72,795.65/x
  3. Step 3: Cross multiply
    133,222.95x = 183,842.19 × 72,795.65
  4. Step 4: Simplify right side
    133,222.95x = 13,382,910,799.26
  5. Step 5: Solve for x
    x = 13,382,910,799.26/133,222.95
  6. Step 6: Final answer
    x = 100,455.00

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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.