Home / 237,742.14-328,117.78-147,127.31

Finding the Fourth Proportional to 237,742.14, 328,117.78 and 147,127.31

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Solution

The fourth proportional to 237,742.14, 328,117.78 and 147,127.31 is: 203,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,742.14 : 328,117.78 = 147,127.31 : x
  2. Step 2: Convert to fraction form
    237,742.14/328,117.78 = 147,127.31/x
  3. Step 3: Cross multiply
    237,742.14x = 328,117.78 × 147,127.31
  4. Step 4: Simplify right side
    237,742.14x = 48,275,086,334.57
  5. Step 5: Solve for x
    x = 48,275,086,334.57/237,742.14
  6. Step 6: Final answer
    x = 203,056.50

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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.