Home / 187,258.50-258,416.73-102,376.17

Finding the Fourth Proportional to 187,258.50, 258,416.73 and 102,376.17

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Solution

The fourth proportional to 187,258.50, 258,416.73 and 102,376.17 is: 141,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,258.50 : 258,416.73 = 102,376.17 : x
  2. Step 2: Convert to fraction form
    187,258.50/258,416.73 = 102,376.17/x
  3. Step 3: Cross multiply
    187,258.50x = 258,416.73 × 102,376.17
  4. Step 4: Simplify right side
    187,258.50x = 26,455,715,081.32
  5. Step 5: Solve for x
    x = 26,455,715,081.32/187,258.50
  6. Step 6: Final answer
    x = 141,279.11

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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.