Home / 133,770.16-184,595.76-76,398.13

Finding the Fourth Proportional to 133,770.16, 184,595.76 and 76,398.13

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Solution

The fourth proportional to 133,770.16, 184,595.76 and 76,398.13 is: 105,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,770.16 : 184,595.76 = 76,398.13 : x
  2. Step 2: Convert to fraction form
    133,770.16/184,595.76 = 76,398.13/x
  3. Step 3: Cross multiply
    133,770.16x = 184,595.76 × 76,398.13
  4. Step 4: Simplify right side
    133,770.16x = 14,102,771,100.67
  5. Step 5: Solve for x
    x = 14,102,771,100.67/133,770.16
  6. Step 6: Final answer
    x = 105,425.39

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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.