Home / 130,874.02-196,331.69-55,994.65

Finding the Fourth Proportional to 130,874.02, 196,331.69 and 55,994.65

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Solution

The fourth proportional to 130,874.02, 196,331.69 and 55,994.65 is: 84,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,874.02 : 196,331.69 = 55,994.65 : x
  2. Step 2: Convert to fraction form
    130,874.02/196,331.69 = 55,994.65/x
  3. Step 3: Cross multiply
    130,874.02x = 196,331.69 × 55,994.65
  4. Step 4: Simplify right side
    130,874.02x = 10,993,523,985.49
  5. Step 5: Solve for x
    x = 10,993,523,985.49/130,874.02
  6. Step 6: Final answer
    x = 84,000.81

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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.