Home / 187,666.14-258,983.55-102,782.46

Finding the Fourth Proportional to 187,666.14, 258,983.55 and 102,782.46

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Solution

The fourth proportional to 187,666.14, 258,983.55 and 102,782.46 is: 141,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,666.14 : 258,983.55 = 102,782.46 : x
  2. Step 2: Convert to fraction form
    187,666.14/258,983.55 = 102,782.46/x
  3. Step 3: Cross multiply
    187,666.14x = 258,983.55 × 102,782.46
  4. Step 4: Simplify right side
    187,666.14x = 26,618,966,368.53
  5. Step 5: Solve for x
    x = 26,618,966,368.53/187,666.14
  6. Step 6: Final answer
    x = 141,842.14

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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.