Home / 187,048.14-258,127.77-102,165.18

Finding the Fourth Proportional to 187,048.14, 258,127.77 and 102,165.18

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Solution

The fourth proportional to 187,048.14, 258,127.77 and 102,165.18 is: 140,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,048.14 : 258,127.77 = 102,165.18 : x
  2. Step 2: Convert to fraction form
    187,048.14/258,127.77 = 102,165.18/x
  3. Step 3: Cross multiply
    187,048.14x = 258,127.77 × 102,165.18
  4. Step 4: Simplify right side
    187,048.14x = 26,371,670,085.05
  5. Step 5: Solve for x
    x = 26,371,670,085.05/187,048.14
  6. Step 6: Final answer
    x = 140,988.68

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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.