Home / 105,256.33-157,946.76-38,743.18

Finding the Fourth Proportional to 105,256.33, 157,946.76 and 38,743.18

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Solution

The fourth proportional to 105,256.33, 157,946.76 and 38,743.18 is: 58,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,256.33 : 157,946.76 = 38,743.18 : x
  2. Step 2: Convert to fraction form
    105,256.33/157,946.76 = 38,743.18/x
  3. Step 3: Cross multiply
    105,256.33x = 157,946.76 × 38,743.18
  4. Step 4: Simplify right side
    105,256.33x = 6,119,359,358.23
  5. Step 5: Solve for x
    x = 6,119,359,358.23/105,256.33
  6. Step 6: Final answer
    x = 58,137.69

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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.