Home / 158,980.36-238,322.30-53,725.72

Finding the Fourth Proportional to 158,980.36, 238,322.30 and 53,725.72

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Solution

The fourth proportional to 158,980.36, 238,322.30 and 53,725.72 is: 80,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,980.36 : 238,322.30 = 53,725.72 : x
  2. Step 2: Convert to fraction form
    158,980.36/238,322.30 = 53,725.72/x
  3. Step 3: Cross multiply
    158,980.36x = 238,322.30 × 53,725.72
  4. Step 4: Simplify right side
    158,980.36x = 12,804,037,159.56
  5. Step 5: Solve for x
    x = 12,804,037,159.56/158,980.36
  6. Step 6: Final answer
    x = 80,538.48

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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.