Home / 142,457.33-213,607.12-58,276.64

Finding the Fourth Proportional to 142,457.33, 213,607.12 and 58,276.64

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Solution

The fourth proportional to 142,457.33, 213,607.12 and 58,276.64 is: 87,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,457.33 : 213,607.12 = 58,276.64 : x
  2. Step 2: Convert to fraction form
    142,457.33/213,607.12 = 58,276.64/x
  3. Step 3: Cross multiply
    142,457.33x = 213,607.12 × 58,276.64
  4. Step 4: Simplify right side
    142,457.33x = 12,448,305,233.68
  5. Step 5: Solve for x
    x = 12,448,305,233.68/142,457.33
  6. Step 6: Final answer
    x = 87,382.69

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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.