Home / 187,418.36-258,636.56-101,377.40

Finding the Fourth Proportional to 187,418.36, 258,636.56 and 101,377.40

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Solution

The fourth proportional to 187,418.36, 258,636.56 and 101,377.40 is: 139,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,418.36 : 258,636.56 = 101,377.40 : x
  2. Step 2: Convert to fraction form
    187,418.36/258,636.56 = 101,377.40/x
  3. Step 3: Cross multiply
    187,418.36x = 258,636.56 × 101,377.40
  4. Step 4: Simplify right side
    187,418.36x = 26,219,900,197.67
  5. Step 5: Solve for x
    x = 26,219,900,197.67/187,418.36
  6. Step 6: Final answer
    x = 139,900.39

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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.