Home / 177,890.45-245,347.52-134,428.14

Finding the Fourth Proportional to 177,890.45, 245,347.52 and 134,428.14

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Solution

The fourth proportional to 177,890.45, 245,347.52 and 134,428.14 is: 185,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,890.45 : 245,347.52 = 134,428.14 : x
  2. Step 2: Convert to fraction form
    177,890.45/245,347.52 = 134,428.14/x
  3. Step 3: Cross multiply
    177,890.45x = 245,347.52 × 134,428.14
  4. Step 4: Simplify right side
    177,890.45x = 32,981,610,095.07
  5. Step 5: Solve for x
    x = 32,981,610,095.07/177,890.45
  6. Step 6: Final answer
    x = 185,404.06

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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.