Home / 188,300.01-259,856.04-103,417.08

Finding the Fourth Proportional to 188,300.01, 259,856.04 and 103,417.08

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Solution

The fourth proportional to 188,300.01, 259,856.04 and 103,417.08 is: 142,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,300.01 : 259,856.04 = 103,417.08 : x
  2. Step 2: Convert to fraction form
    188,300.01/259,856.04 = 103,417.08/x
  3. Step 3: Cross multiply
    188,300.01x = 259,856.04 × 103,417.08
  4. Step 4: Simplify right side
    188,300.01x = 26,873,552,877.16
  5. Step 5: Solve for x
    x = 26,873,552,877.16/188,300.01
  6. Step 6: Final answer
    x = 142,716.68

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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.