Home / 236,636.02-326,555.22-129,205.72

Finding the Fourth Proportional to 236,636.02, 326,555.22 and 129,205.72

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Solution

The fourth proportional to 236,636.02, 326,555.22 and 129,205.72 is: 178,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,636.02 : 326,555.22 = 129,205.72 : x
  2. Step 2: Convert to fraction form
    236,636.02/326,555.22 = 129,205.72/x
  3. Step 3: Cross multiply
    236,636.02x = 326,555.22 × 129,205.72
  4. Step 4: Simplify right side
    236,636.02x = 42,192,802,319.86
  5. Step 5: Solve for x
    x = 42,192,802,319.86/236,636.02
  6. Step 6: Final answer
    x = 178,302.54

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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.