Home / 187,158.96-258,291.64-105,507.36

Finding the Fourth Proportional to 187,158.96, 258,291.64 and 105,507.36

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Solution

The fourth proportional to 187,158.96, 258,291.64 and 105,507.36 is: 145,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,158.96 : 258,291.64 = 105,507.36 : x
  2. Step 2: Convert to fraction form
    187,158.96/258,291.64 = 105,507.36/x
  3. Step 3: Cross multiply
    187,158.96x = 258,291.64 × 105,507.36
  4. Step 4: Simplify right side
    187,158.96x = 27,251,669,046.47
  5. Step 5: Solve for x
    x = 27,251,669,046.47/187,158.96
  6. Step 6: Final answer
    x = 145,607.08

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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.