Home / 186,956.91-258,001.20-102,075.39

Finding the Fourth Proportional to 186,956.91, 258,001.20 and 102,075.39

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Solution

The fourth proportional to 186,956.91, 258,001.20 and 102,075.39 is: 140,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,956.91 : 258,001.20 = 102,075.39 : x
  2. Step 2: Convert to fraction form
    186,956.91/258,001.20 = 102,075.39/x
  3. Step 3: Cross multiply
    186,956.91x = 258,001.20 × 102,075.39
  4. Step 4: Simplify right side
    186,956.91x = 26,335,573,110.47
  5. Step 5: Solve for x
    x = 26,335,573,110.47/186,956.91
  6. Step 6: Final answer
    x = 140,864.40

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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.