Home / 156,935.65-235,403.48-137,252.65

Finding the Fourth Proportional to 156,935.65, 235,403.48 and 137,252.65

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Solution

The fourth proportional to 156,935.65, 235,403.48 and 137,252.65 is: 205,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.65 : 235,403.48 = 137,252.65 : x
  2. Step 2: Convert to fraction form
    156,935.65/235,403.48 = 137,252.65/x
  3. Step 3: Cross multiply
    156,935.65x = 235,403.48 × 137,252.65
  4. Step 4: Simplify right side
    156,935.65x = 32,309,751,449.22
  5. Step 5: Solve for x
    x = 32,309,751,449.22/156,935.65
  6. Step 6: Final answer
    x = 205,878.98

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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.