Home / 122,353.17-183,507.89-77,847.72

Finding the Fourth Proportional to 122,353.17, 183,507.89 and 77,847.72

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Solution

The fourth proportional to 122,353.17, 183,507.89 and 77,847.72 is: 116,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353.17 : 183,507.89 = 77,847.72 : x
  2. Step 2: Convert to fraction form
    122,353.17/183,507.89 = 77,847.72/x
  3. Step 3: Cross multiply
    122,353.17x = 183,507.89 × 77,847.72
  4. Step 4: Simplify right side
    122,353.17x = 14,285,670,838.51
  5. Step 5: Solve for x
    x = 14,285,670,838.51/122,353.17
  6. Step 6: Final answer
    x = 116,757.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.