Home / 186,462.36-257,320.86-101,579.40

Finding the Fourth Proportional to 186,462.36, 257,320.86 and 101,579.40

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Solution

The fourth proportional to 186,462.36, 257,320.86 and 101,579.40 is: 140,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,462.36 : 257,320.86 = 101,579.40 : x
  2. Step 2: Convert to fraction form
    186,462.36/257,320.86 = 101,579.40/x
  3. Step 3: Cross multiply
    186,462.36x = 257,320.86 × 101,579.40
  4. Step 4: Simplify right side
    186,462.36x = 26,138,498,566.28
  5. Step 5: Solve for x
    x = 26,138,498,566.28/186,462.36
  6. Step 6: Final answer
    x = 140,181.10

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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.