Home / 157,178.28-235,767.60-38,847.81

Finding the Fourth Proportional to 157,178.28, 235,767.60 and 38,847.81

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Solution

The fourth proportional to 157,178.28, 235,767.60 and 38,847.81 is: 58,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,178.28 : 235,767.60 = 38,847.81 : x
  2. Step 2: Convert to fraction form
    157,178.28/235,767.60 = 38,847.81/x
  3. Step 3: Cross multiply
    157,178.28x = 235,767.60 × 38,847.81
  4. Step 4: Simplify right side
    157,178.28x = 9,159,054,928.96
  5. Step 5: Solve for x
    x = 9,159,054,928.96/157,178.28
  6. Step 6: Final answer
    x = 58,271.76

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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.