Home / 149,185.10-223,700.70-43,990.40

Finding the Fourth Proportional to 149,185.10, 223,700.70 and 43,990.40

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Solution

The fourth proportional to 149,185.10, 223,700.70 and 43,990.40 is: 65,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,185.10 : 223,700.70 = 43,990.40 : x
  2. Step 2: Convert to fraction form
    149,185.10/223,700.70 = 43,990.40/x
  3. Step 3: Cross multiply
    149,185.10x = 223,700.70 × 43,990.40
  4. Step 4: Simplify right side
    149,185.10x = 9,840,683,273.28
  5. Step 5: Solve for x
    x = 9,840,683,273.28/149,185.10
  6. Step 6: Final answer
    x = 65,962.91

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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.