Home / 156,769.81-235,159.17-38,441.05

Finding the Fourth Proportional to 156,769.81, 235,159.17 and 38,441.05

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Solution

The fourth proportional to 156,769.81, 235,159.17 and 38,441.05 is: 57,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.81 : 235,159.17 = 38,441.05 : x
  2. Step 2: Convert to fraction form
    156,769.81/235,159.17 = 38,441.05/x
  3. Step 3: Cross multiply
    156,769.81x = 235,159.17 × 38,441.05
  4. Step 4: Simplify right side
    156,769.81x = 9,039,765,411.93
  5. Step 5: Solve for x
    x = 9,039,765,411.93/156,769.81
  6. Step 6: Final answer
    x = 57,662.67

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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.