Home / 221,070.09-331,604.13-63,298.50

Finding the Fourth Proportional to 221,070.09, 331,604.13 and 63,298.50

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Solution

The fourth proportional to 221,070.09, 331,604.13 and 63,298.50 is: 94,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,070.09 : 331,604.13 = 63,298.50 : x
  2. Step 2: Convert to fraction form
    221,070.09/331,604.13 = 63,298.50/x
  3. Step 3: Cross multiply
    221,070.09x = 331,604.13 × 63,298.50
  4. Step 4: Simplify right side
    221,070.09x = 20,990,044,022.81
  5. Step 5: Solve for x
    x = 20,990,044,022.81/221,070.09
  6. Step 6: Final answer
    x = 94,947.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.