Home / 133,040.34-183,595.59-76,451.58

Finding the Fourth Proportional to 133,040.34, 183,595.59 and 76,451.58

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Solution

The fourth proportional to 133,040.34, 183,595.59 and 76,451.58 is: 105,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.34 : 183,595.59 = 76,451.58 : x
  2. Step 2: Convert to fraction form
    133,040.34/183,595.59 = 76,451.58/x
  3. Step 3: Cross multiply
    133,040.34x = 183,595.59 × 76,451.58
  4. Step 4: Simplify right side
    133,040.34x = 14,036,172,936.53
  5. Step 5: Solve for x
    x = 14,036,172,936.53/133,040.34
  6. Step 6: Final answer
    x = 105,503.13

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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.