Home / 235,719.08-353,543.52-77,948.36

Finding the Fourth Proportional to 235,719.08, 353,543.52 and 77,948.36

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Solution

The fourth proportional to 235,719.08, 353,543.52 and 77,948.36 is: 116,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,719.08 : 353,543.52 = 77,948.36 : x
  2. Step 2: Convert to fraction form
    235,719.08/353,543.52 = 77,948.36/x
  3. Step 3: Cross multiply
    235,719.08x = 353,543.52 × 77,948.36
  4. Step 4: Simplify right side
    235,719.08x = 27,558,137,572.63
  5. Step 5: Solve for x
    x = 27,558,137,572.63/235,719.08
  6. Step 6: Final answer
    x = 116,910.93

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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.