Home / 133,070.00-183,641.04-72,644.22

Finding the Fourth Proportional to 133,070.00, 183,641.04 and 72,644.22

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Solution

The fourth proportional to 133,070.00, 183,641.04 and 72,644.22 is: 100,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.00 : 183,641.04 = 72,644.22 : x
  2. Step 2: Convert to fraction form
    133,070.00/183,641.04 = 72,644.22/x
  3. Step 3: Cross multiply
    133,070.00x = 183,641.04 × 72,644.22
  4. Step 4: Simplify right side
    133,070.00x = 13,340,460,110.79
  5. Step 5: Solve for x
    x = 13,340,460,110.79/133,070.00
  6. Step 6: Final answer
    x = 100,251.45

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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.