Home / 161,663.45-223,095.62-93,719.81

Finding the Fourth Proportional to 161,663.45, 223,095.62 and 93,719.81

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Solution

The fourth proportional to 161,663.45, 223,095.62 and 93,719.81 is: 129,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,663.45 : 223,095.62 = 93,719.81 : x
  2. Step 2: Convert to fraction form
    161,663.45/223,095.62 = 93,719.81/x
  3. Step 3: Cross multiply
    161,663.45x = 223,095.62 × 93,719.81
  4. Step 4: Simplify right side
    161,663.45x = 20,908,479,118.23
  5. Step 5: Solve for x
    x = 20,908,479,118.23/161,663.45
  6. Step 6: Final answer
    x = 129,333.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.