Home / 143,913.93-215,918.70-63,940.77

Finding the Fourth Proportional to 143,913.93, 215,918.70 and 63,940.77

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Solution

The fourth proportional to 143,913.93, 215,918.70 and 63,940.77 is: 95,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,913.93 : 215,918.70 = 63,940.77 : x
  2. Step 2: Convert to fraction form
    143,913.93/215,918.70 = 63,940.77/x
  3. Step 3: Cross multiply
    143,913.93x = 215,918.70 × 63,940.77
  4. Step 4: Simplify right side
    143,913.93x = 13,806,007,935.40
  5. Step 5: Solve for x
    x = 13,806,007,935.40/143,913.93
  6. Step 6: Final answer
    x = 95,932.39

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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.