Home / 143,316.04-215,060.46-49,887.40

Finding the Fourth Proportional to 143,316.04, 215,060.46 and 49,887.40

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Solution

The fourth proportional to 143,316.04, 215,060.46 and 49,887.40 is: 74,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.04 : 215,060.46 = 49,887.40 : x
  2. Step 2: Convert to fraction form
    143,316.04/215,060.46 = 49,887.40/x
  3. Step 3: Cross multiply
    143,316.04x = 215,060.46 × 49,887.40
  4. Step 4: Simplify right side
    143,316.04x = 10,728,807,192.20
  5. Step 5: Solve for x
    x = 10,728,807,192.20/143,316.04
  6. Step 6: Final answer
    x = 74,861.18

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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.