Home / 147,813.15-221,526.90-67,822.25

Finding the Fourth Proportional to 147,813.15, 221,526.90 and 67,822.25

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Solution

The fourth proportional to 147,813.15, 221,526.90 and 67,822.25 is: 101,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,813.15 : 221,526.90 = 67,822.25 : x
  2. Step 2: Convert to fraction form
    147,813.15/221,526.90 = 67,822.25/x
  3. Step 3: Cross multiply
    147,813.15x = 221,526.90 × 67,822.25
  4. Step 4: Simplify right side
    147,813.15x = 15,024,451,685.89
  5. Step 5: Solve for x
    x = 15,024,451,685.89/147,813.15
  6. Step 6: Final answer
    x = 101,644.89

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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.