Home / 133,223.48-183,842.70-72,793.16

Finding the Fourth Proportional to 133,223.48, 183,842.70 and 72,793.16

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Solution

The fourth proportional to 133,223.48, 183,842.70 and 72,793.16 is: 100,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,223.48 : 183,842.70 = 72,793.16 : x
  2. Step 2: Convert to fraction form
    133,223.48/183,842.70 = 72,793.16/x
  3. Step 3: Cross multiply
    133,223.48x = 183,842.70 × 72,793.16
  4. Step 4: Simplify right side
    133,223.48x = 13,382,491,075.93
  5. Step 5: Solve for x
    x = 13,382,491,075.93/133,223.48
  6. Step 6: Final answer
    x = 100,451.45

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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.