Home / 158,869.72-238,338.87-53,686.36

Finding the Fourth Proportional to 158,869.72, 238,338.87 and 53,686.36

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Solution

The fourth proportional to 158,869.72, 238,338.87 and 53,686.36 is: 80,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,869.72 : 238,338.87 = 53,686.36 : x
  2. Step 2: Convert to fraction form
    158,869.72/238,338.87 = 53,686.36/x
  3. Step 3: Cross multiply
    158,869.72x = 238,338.87 × 53,686.36
  4. Step 4: Simplify right side
    158,869.72x = 12,795,546,376.81
  5. Step 5: Solve for x
    x = 12,795,546,376.81/158,869.72
  6. Step 6: Final answer
    x = 80,541.13

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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.