Home / 133,110.77-183,693.24-72,681.93

Finding the Fourth Proportional to 133,110.77, 183,693.24 and 72,681.93

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Solution

The fourth proportional to 133,110.77, 183,693.24 and 72,681.93 is: 100,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,110.77 : 183,693.24 = 72,681.93 : x
  2. Step 2: Convert to fraction form
    133,110.77/183,693.24 = 72,681.93/x
  3. Step 3: Cross multiply
    133,110.77x = 183,693.24 × 72,681.93
  4. Step 4: Simplify right side
    133,110.77x = 13,351,179,211.15
  5. Step 5: Solve for x
    x = 13,351,179,211.15/133,110.77
  6. Step 6: Final answer
    x = 100,301.27

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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.