Home / 187,095.47-258,203.64-106,530.03

Finding the Fourth Proportional to 187,095.47, 258,203.64 and 106,530.03

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Solution

The fourth proportional to 187,095.47, 258,203.64 and 106,530.03 is: 147,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,095.47 : 258,203.64 = 106,530.03 : x
  2. Step 2: Convert to fraction form
    187,095.47/258,203.64 = 106,530.03/x
  3. Step 3: Cross multiply
    187,095.47x = 258,203.64 × 106,530.03
  4. Step 4: Simplify right side
    187,095.47x = 27,506,441,515.31
  5. Step 5: Solve for x
    x = 27,506,441,515.31/187,095.47
  6. Step 6: Final answer
    x = 147,018.22

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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.