Home / 156,959.84-235,440.66-38,630.38

Finding the Fourth Proportional to 156,959.84, 235,440.66 and 38,630.38

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Solution

The fourth proportional to 156,959.84, 235,440.66 and 38,630.38 is: 57,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.84 : 235,440.66 = 38,630.38 : x
  2. Step 2: Convert to fraction form
    156,959.84/235,440.66 = 38,630.38/x
  3. Step 3: Cross multiply
    156,959.84x = 235,440.66 × 38,630.38
  4. Step 4: Simplify right side
    156,959.84x = 9,095,161,719.51
  5. Step 5: Solve for x
    x = 9,095,161,719.51/156,959.84
  6. Step 6: Final answer
    x = 57,945.79

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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.