Home / 326,129.76-450,063.54-197,050.19

Finding the Fourth Proportional to 326,129.76, 450,063.54 and 197,050.19

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Solution

The fourth proportional to 326,129.76, 450,063.54 and 197,050.19 is: 271,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,129.76 : 450,063.54 = 197,050.19 : x
  2. Step 2: Convert to fraction form
    326,129.76/450,063.54 = 197,050.19/x
  3. Step 3: Cross multiply
    326,129.76x = 450,063.54 × 197,050.19
  4. Step 4: Simplify right side
    326,129.76x = 88,685,103,818.75
  5. Step 5: Solve for x
    x = 88,685,103,818.75/326,129.76
  6. Step 6: Final answer
    x = 271,931.96

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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.