Home / 236,632.02-326,549.71-129,201.72

Finding the Fourth Proportional to 236,632.02, 326,549.71 and 129,201.72

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Solution

The fourth proportional to 236,632.02, 326,549.71 and 129,201.72 is: 178,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,632.02 : 326,549.71 = 129,201.72 : x
  2. Step 2: Convert to fraction form
    236,632.02/326,549.71 = 129,201.72/x
  3. Step 3: Cross multiply
    236,632.02x = 326,549.71 × 129,201.72
  4. Step 4: Simplify right side
    236,632.02x = 42,190,784,197.50
  5. Step 5: Solve for x
    x = 42,190,784,197.50/236,632.02
  6. Step 6: Final answer
    x = 178,297.02

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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.