Home / 236,831.47-326,826.92-129,402.27

Finding the Fourth Proportional to 236,831.47, 326,826.92 and 129,402.27

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Solution

The fourth proportional to 236,831.47, 326,826.92 and 129,402.27 is: 178,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,831.47 : 326,826.92 = 129,402.27 : x
  2. Step 2: Convert to fraction form
    236,831.47/326,826.92 = 129,402.27/x
  3. Step 3: Cross multiply
    236,831.47x = 326,826.92 × 129,402.27
  4. Step 4: Simplify right side
    236,831.47x = 42,292,145,668.61
  5. Step 5: Solve for x
    x = 42,292,145,668.61/236,831.47
  6. Step 6: Final answer
    x = 178,574.86

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1.5x scale

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.