Home / 133,886.02-200,688.90-45,108.84

Finding the Fourth Proportional to 133,886.02, 200,688.90 and 45,108.84

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Solution

The fourth proportional to 133,886.02, 200,688.90 and 45,108.84 is: 67,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,886.02 : 200,688.90 = 45,108.84 : x
  2. Step 2: Convert to fraction form
    133,886.02/200,688.90 = 45,108.84/x
  3. Step 3: Cross multiply
    133,886.02x = 200,688.90 × 45,108.84
  4. Step 4: Simplify right side
    133,886.02x = 9,052,843,479.88
  5. Step 5: Solve for x
    x = 9,052,843,479.88/133,886.02
  6. Step 6: Final answer
    x = 67,616.05

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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.