Home / 188,077.79-259,547.32-107,507.04

Finding the Fourth Proportional to 188,077.79, 259,547.32 and 107,507.04

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Solution

The fourth proportional to 188,077.79, 259,547.32 and 107,507.04 is: 148,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,077.79 : 259,547.32 = 107,507.04 : x
  2. Step 2: Convert to fraction form
    188,077.79/259,547.32 = 107,507.04/x
  3. Step 3: Cross multiply
    188,077.79x = 259,547.32 × 107,507.04
  4. Step 4: Simplify right side
    188,077.79x = 27,903,163,844.37
  5. Step 5: Solve for x
    x = 27,903,163,844.37/188,077.79
  6. Step 6: Final answer
    x = 148,359.70

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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.