Home / 157,719.16-236,437.93-57,855.97

Finding the Fourth Proportional to 157,719.16, 236,437.93 and 57,855.97

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Solution

The fourth proportional to 157,719.16, 236,437.93 and 57,855.97 is: 86,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,719.16 : 236,437.93 = 57,855.97 : x
  2. Step 2: Convert to fraction form
    157,719.16/236,437.93 = 57,855.97/x
  3. Step 3: Cross multiply
    157,719.16x = 236,437.93 × 57,855.97
  4. Step 4: Simplify right side
    157,719.16x = 13,679,345,784.94
  5. Step 5: Solve for x
    x = 13,679,345,784.94/157,719.16
  6. Step 6: Final answer
    x = 86,732.30

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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.