Home / 151,840.62-209,536.46-83,856.24

Finding the Fourth Proportional to 151,840.62, 209,536.46 and 83,856.24

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Solution

The fourth proportional to 151,840.62, 209,536.46 and 83,856.24 is: 115,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,840.62 : 209,536.46 = 83,856.24 : x
  2. Step 2: Convert to fraction form
    151,840.62/209,536.46 = 83,856.24/x
  3. Step 3: Cross multiply
    151,840.62x = 209,536.46 × 83,856.24
  4. Step 4: Simplify right side
    151,840.62x = 17,570,939,678.51
  5. Step 5: Solve for x
    x = 17,570,939,678.51/151,840.62
  6. Step 6: Final answer
    x = 115,719.63

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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.