Home / 101,604.15-140,199.84-56,270.94

Finding the Fourth Proportional to 101,604.15, 140,199.84 and 56,270.94

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Solution

The fourth proportional to 101,604.15, 140,199.84 and 56,270.94 is: 77,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,604.15 : 140,199.84 = 56,270.94 : x
  2. Step 2: Convert to fraction form
    101,604.15/140,199.84 = 56,270.94/x
  3. Step 3: Cross multiply
    101,604.15x = 140,199.84 × 56,270.94
  4. Step 4: Simplify right side
    101,604.15x = 7,889,176,784.65
  5. Step 5: Solve for x
    x = 7,889,176,784.65/101,604.15
  6. Step 6: Final answer
    x = 77,646.21

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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.