Home / 187,898.08-259,312.44-103,020.62

Finding the Fourth Proportional to 187,898.08, 259,312.44 and 103,020.62

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Solution

The fourth proportional to 187,898.08, 259,312.44 and 103,020.62 is: 142,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,898.08 : 259,312.44 = 103,020.62 : x
  2. Step 2: Convert to fraction form
    187,898.08/259,312.44 = 103,020.62/x
  3. Step 3: Cross multiply
    187,898.08x = 259,312.44 × 103,020.62
  4. Step 4: Simplify right side
    187,898.08x = 26,714,528,342.51
  5. Step 5: Solve for x
    x = 26,714,528,342.51/187,898.08
  6. Step 6: Final answer
    x = 142,175.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.