Home / 133,098.24-183,669.12-76,496.64

Finding the Fourth Proportional to 133,098.24, 183,669.12 and 76,496.64

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Solution

The fourth proportional to 133,098.24, 183,669.12 and 76,496.64 is: 105,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,098.24 : 183,669.12 = 76,496.64 : x
  2. Step 2: Convert to fraction form
    133,098.24/183,669.12 = 76,496.64/x
  3. Step 3: Cross multiply
    133,098.24x = 183,669.12 × 76,496.64
  4. Step 4: Simplify right side
    133,098.24x = 14,050,070,551.76
  5. Step 5: Solve for x
    x = 14,050,070,551.76/133,098.24
  6. Step 6: Final answer
    x = 105,561.66

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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.