Home / 146,140.32-219,216.86-46,307.87

Finding the Fourth Proportional to 146,140.32, 219,216.86 and 46,307.87

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Solution

The fourth proportional to 146,140.32, 219,216.86 and 46,307.87 is: 69,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,140.32 : 219,216.86 = 46,307.87 : x
  2. Step 2: Convert to fraction form
    146,140.32/219,216.86 = 46,307.87/x
  3. Step 3: Cross multiply
    146,140.32x = 219,216.86 × 46,307.87
  4. Step 4: Simplify right side
    146,140.32x = 10,151,465,854.69
  5. Step 5: Solve for x
    x = 10,151,465,854.69/146,140.32
  6. Step 6: Final answer
    x = 69,463.83

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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.