Home / 236,690.96-326,636.12-129,264.16

Finding the Fourth Proportional to 236,690.96, 326,636.12 and 129,264.16

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Solution

The fourth proportional to 236,690.96, 326,636.12 and 129,264.16 is: 178,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,690.96 : 326,636.12 = 129,264.16 : x
  2. Step 2: Convert to fraction form
    236,690.96/326,636.12 = 129,264.16/x
  3. Step 3: Cross multiply
    236,690.96x = 326,636.12 × 129,264.16
  4. Step 4: Simplify right side
    236,690.96x = 42,222,343,677.46
  5. Step 5: Solve for x
    x = 42,222,343,677.46/236,690.96
  6. Step 6: Final answer
    x = 178,385.96

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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.