Home / 236,814.15-326,808.23-129,390.84

Finding the Fourth Proportional to 236,814.15, 326,808.23 and 129,390.84

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Solution

The fourth proportional to 236,814.15, 326,808.23 and 129,390.84 is: 178,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,814.15 : 326,808.23 = 129,390.84 : x
  2. Step 2: Convert to fraction form
    236,814.15/326,808.23 = 129,390.84/x
  3. Step 3: Cross multiply
    236,814.15x = 326,808.23 × 129,390.84
  4. Step 4: Simplify right side
    236,814.15x = 42,285,991,398.61
  5. Step 5: Solve for x
    x = 42,285,991,398.61/236,814.15
  6. Step 6: Final answer
    x = 178,561.93

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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.