Home / 236,432.40-326,270.36-129,002.36

Finding the Fourth Proportional to 236,432.40, 326,270.36 and 129,002.36

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Solution

The fourth proportional to 236,432.40, 326,270.36 and 129,002.36 is: 178,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,432.40 : 326,270.36 = 129,002.36 : x
  2. Step 2: Convert to fraction form
    236,432.40/326,270.36 = 129,002.36/x
  3. Step 3: Cross multiply
    236,432.40x = 326,270.36 × 129,002.36
  4. Step 4: Simplify right side
    236,432.40x = 42,089,646,438.05
  5. Step 5: Solve for x
    x = 42,089,646,438.05/236,432.40
  6. Step 6: Final answer
    x = 178,019.79

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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.