Home / 133,624.34-184,401.28-72,370.34

Finding the Fourth Proportional to 133,624.34, 184,401.28 and 72,370.34

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Solution

The fourth proportional to 133,624.34, 184,401.28 and 72,370.34 is: 99,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,624.34 : 184,401.28 = 72,370.34 : x
  2. Step 2: Convert to fraction form
    133,624.34/184,401.28 = 72,370.34/x
  3. Step 3: Cross multiply
    133,624.34x = 184,401.28 × 72,370.34
  4. Step 4: Simplify right side
    133,624.34x = 13,345,183,330.04
  5. Step 5: Solve for x
    x = 13,345,183,330.04/133,624.34
  6. Step 6: Final answer
    x = 99,870.90

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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.