Home / 186,514.26-257,389.70-101,631.39

Finding the Fourth Proportional to 186,514.26, 257,389.70 and 101,631.39

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Solution

The fourth proportional to 186,514.26, 257,389.70 and 101,631.39 is: 140,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,514.26 : 257,389.70 = 101,631.39 : x
  2. Step 2: Convert to fraction form
    186,514.26/257,389.70 = 101,631.39/x
  3. Step 3: Cross multiply
    186,514.26x = 257,389.70 × 101,631.39
  4. Step 4: Simplify right side
    186,514.26x = 26,158,872,474.53
  5. Step 5: Solve for x
    x = 26,158,872,474.53/186,514.26
  6. Step 6: Final answer
    x = 140,251.33

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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.