Home / 133,770.73-184,605.11-76,417.65

Finding the Fourth Proportional to 133,770.73, 184,605.11 and 76,417.65

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Solution

The fourth proportional to 133,770.73, 184,605.11 and 76,417.65 is: 105,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,770.73 : 184,605.11 = 76,417.65 : x
  2. Step 2: Convert to fraction form
    133,770.73/184,605.11 = 76,417.65/x
  3. Step 3: Cross multiply
    133,770.73x = 184,605.11 × 76,417.65
  4. Step 4: Simplify right side
    133,770.73x = 14,107,088,684.19
  5. Step 5: Solve for x
    x = 14,107,088,684.19/133,770.73
  6. Step 6: Final answer
    x = 105,457.22

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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.