Home / 133,087.40-183,679.14-76,497.56

Finding the Fourth Proportional to 133,087.40, 183,679.14 and 76,497.56

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Solution

The fourth proportional to 133,087.40, 183,679.14 and 76,497.56 is: 105,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087.40 : 183,679.14 = 76,497.56 : x
  2. Step 2: Convert to fraction form
    133,087.40/183,679.14 = 76,497.56/x
  3. Step 3: Cross multiply
    133,087.40x = 183,679.14 × 76,497.56
  4. Step 4: Simplify right side
    133,087.40x = 14,051,006,032.90
  5. Step 5: Solve for x
    x = 14,051,006,032.90/133,087.40
  6. Step 6: Final answer
    x = 105,577.28

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1.5x scale

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.