Home / 187,334.82-258,547.07-105,679.73

Finding the Fourth Proportional to 187,334.82, 258,547.07 and 105,679.73

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Solution

The fourth proportional to 187,334.82, 258,547.07 and 105,679.73 is: 145,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,334.82 : 258,547.07 = 105,679.73 : x
  2. Step 2: Convert to fraction form
    187,334.82/258,547.07 = 105,679.73/x
  3. Step 3: Cross multiply
    187,334.82x = 258,547.07 × 105,679.73
  4. Step 4: Simplify right side
    187,334.82x = 27,323,184,549.89
  5. Step 5: Solve for x
    x = 27,323,184,549.89/187,334.82
  6. Step 6: Final answer
    x = 145,852.14

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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.