Home / 146,135.81-219,210.10-46,303.36

Finding the Fourth Proportional to 146,135.81, 219,210.10 and 46,303.36

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Solution

The fourth proportional to 146,135.81, 219,210.10 and 46,303.36 is: 69,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,135.81 : 219,210.10 = 46,303.36 : x
  2. Step 2: Convert to fraction form
    146,135.81/219,210.10 = 46,303.36/x
  3. Step 3: Cross multiply
    146,135.81x = 219,210.10 × 46,303.36
  4. Step 4: Simplify right side
    146,135.81x = 10,150,164,745.21
  5. Step 5: Solve for x
    x = 10,150,164,745.21/146,135.81
  6. Step 6: Final answer
    x = 69,457.07

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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.