Home / 133,060.34-183,595.86-76,460.78

Finding the Fourth Proportional to 133,060.34, 183,595.86 and 76,460.78

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Solution

The fourth proportional to 133,060.34, 183,595.86 and 76,460.78 is: 105,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.34 : 183,595.86 = 76,460.78 : x
  2. Step 2: Convert to fraction form
    133,060.34/183,595.86 = 76,460.78/x
  3. Step 3: Cross multiply
    133,060.34x = 183,595.86 × 76,460.78
  4. Step 4: Simplify right side
    133,060.34x = 14,037,882,660.37
  5. Step 5: Solve for x
    x = 14,037,882,660.37/133,060.34
  6. Step 6: Final answer
    x = 105,500.13

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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.