Home / 133,624.10-184,416.81-77,037.50

Finding the Fourth Proportional to 133,624.10, 184,416.81 and 77,037.50

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Solution

The fourth proportional to 133,624.10, 184,416.81 and 77,037.50 is: 106,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,624.10 : 184,416.81 = 77,037.50 : x
  2. Step 2: Convert to fraction form
    133,624.10/184,416.81 = 77,037.50/x
  3. Step 3: Cross multiply
    133,624.10x = 184,416.81 × 77,037.50
  4. Step 4: Simplify right side
    133,624.10x = 14,207,010,000.38
  5. Step 5: Solve for x
    x = 14,207,010,000.38/133,624.10
  6. Step 6: Final answer
    x = 106,320.72

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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.