Home / 187,078.10-258,167.70-101,037.11

Finding the Fourth Proportional to 187,078.10, 258,167.70 and 101,037.11

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Solution

The fourth proportional to 187,078.10, 258,167.70 and 101,037.11 is: 139,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,078.10 : 258,167.70 = 101,037.11 : x
  2. Step 2: Convert to fraction form
    187,078.10/258,167.70 = 101,037.11/x
  3. Step 3: Cross multiply
    187,078.10x = 258,167.70 × 101,037.11
  4. Step 4: Simplify right side
    187,078.10x = 26,084,517,012.51
  5. Step 5: Solve for x
    x = 26,084,517,012.51/187,078.10
  6. Step 6: Final answer
    x = 139,431.17

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1.5x scale

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.