Home / 156,962.93-235,439.19-68,216.51

Finding the Fourth Proportional to 156,962.93, 235,439.19 and 68,216.51

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Solution

The fourth proportional to 156,962.93, 235,439.19 and 68,216.51 is: 102,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.93 : 235,439.19 = 68,216.51 : x
  2. Step 2: Convert to fraction form
    156,962.93/235,439.19 = 68,216.51/x
  3. Step 3: Cross multiply
    156,962.93x = 235,439.19 × 68,216.51
  4. Step 4: Simplify right side
    156,962.93x = 16,060,839,859.03
  5. Step 5: Solve for x
    x = 16,060,839,859.03/156,962.93
  6. Step 6: Final answer
    x = 102,322.50

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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.