Home / 237,743.64-328,088.76-130,311.36

Finding the Fourth Proportional to 237,743.64, 328,088.76 and 130,311.36

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Solution

The fourth proportional to 237,743.64, 328,088.76 and 130,311.36 is: 179,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,743.64 : 328,088.76 = 130,311.36 : x
  2. Step 2: Convert to fraction form
    237,743.64/328,088.76 = 130,311.36/x
  3. Step 3: Cross multiply
    237,743.64x = 328,088.76 × 130,311.36
  4. Step 4: Simplify right side
    237,743.64x = 42,753,692,516.31
  5. Step 5: Solve for x
    x = 42,753,692,516.31/237,743.64
  6. Step 6: Final answer
    x = 179,831.07

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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.