Home / 236,424.18-326,266.45-128,996.48

Finding the Fourth Proportional to 236,424.18, 326,266.45 and 128,996.48

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Solution

The fourth proportional to 236,424.18, 326,266.45 and 128,996.48 is: 178,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,424.18 : 326,266.45 = 128,996.48 : x
  2. Step 2: Convert to fraction form
    236,424.18/326,266.45 = 128,996.48/x
  3. Step 3: Cross multiply
    236,424.18x = 326,266.45 × 128,996.48
  4. Step 4: Simplify right side
    236,424.18x = 42,087,224,085.27
  5. Step 5: Solve for x
    x = 42,087,224,085.27/236,424.18
  6. Step 6: Final answer
    x = 178,015.73

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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.