Home / 186,822.62-257,814.72-101,939.62

Finding the Fourth Proportional to 186,822.62, 257,814.72 and 101,939.62

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Solution

The fourth proportional to 186,822.62, 257,814.72 and 101,939.62 is: 140,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.62 : 257,814.72 = 101,939.62 : x
  2. Step 2: Convert to fraction form
    186,822.62/257,814.72 = 101,939.62/x
  3. Step 3: Cross multiply
    186,822.62x = 257,814.72 × 101,939.62
  4. Step 4: Simplify right side
    186,822.62x = 26,281,534,587.21
  5. Step 5: Solve for x
    x = 26,281,534,587.21/186,822.62
  6. Step 6: Final answer
    x = 140,676.41

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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.