Home / 191,294.28-263,979-106,409.52

Finding the Fourth Proportional to 191,294.28, 263,979 and 106,409.52

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Solution

The fourth proportional to 191,294.28, 263,979 and 106,409.52 is: 146,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,294.28 : 263,979 = 106,409.52 : x
  2. Step 2: Convert to fraction form
    191,294.28/263,979 = 106,409.52/x
  3. Step 3: Cross multiply
    191,294.28x = 263,979 × 106,409.52
  4. Step 4: Simplify right side
    191,294.28x = 28,089,878,680.08
  5. Step 5: Solve for x
    x = 28,089,878,680.08/191,294.28
  6. Step 6: Final answer
    x = 146,841.18

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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.