Home / 147,795.16-221,723.86-47,947.54

Finding the Fourth Proportional to 147,795.16, 221,723.86 and 47,947.54

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Solution

The fourth proportional to 147,795.16, 221,723.86 and 47,947.54 is: 71,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,795.16 : 221,723.86 = 47,947.54 : x
  2. Step 2: Convert to fraction form
    147,795.16/221,723.86 = 47,947.54/x
  3. Step 3: Cross multiply
    147,795.16x = 221,723.86 × 47,947.54
  4. Step 4: Simplify right side
    147,795.16x = 10,631,113,646.30
  5. Step 5: Solve for x
    x = 10,631,113,646.30/147,795.16
  6. Step 6: Final answer
    x = 71,931.41

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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.