Home / 236,613.72-326,534.64-129,191.92

Finding the Fourth Proportional to 236,613.72, 326,534.64 and 129,191.92

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Solution

The fourth proportional to 236,613.72, 326,534.64 and 129,191.92 is: 178,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,613.72 : 326,534.64 = 129,191.92 : x
  2. Step 2: Convert to fraction form
    236,613.72/326,534.64 = 129,191.92/x
  3. Step 3: Cross multiply
    236,613.72x = 326,534.64 × 129,191.92
  4. Step 4: Simplify right side
    236,613.72x = 42,185,637,088.11
  5. Step 5: Solve for x
    x = 42,185,637,088.11/236,613.72
  6. Step 6: Final answer
    x = 178,289.06

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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.