Home / 236,648.61-326,562.35-129,217.05

Finding the Fourth Proportional to 236,648.61, 326,562.35 and 129,217.05

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Solution

The fourth proportional to 236,648.61, 326,562.35 and 129,217.05 is: 178,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,648.61 : 326,562.35 = 129,217.05 : x
  2. Step 2: Convert to fraction form
    236,648.61/326,562.35 = 129,217.05/x
  3. Step 3: Cross multiply
    236,648.61x = 326,562.35 × 129,217.05
  4. Step 4: Simplify right side
    236,648.61x = 42,197,422,861.98
  5. Step 5: Solve for x
    x = 42,197,422,861.98/236,648.61
  6. Step 6: Final answer
    x = 178,312.57

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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.