Home / 151,884.32-209,598.16-82,972.92

Finding the Fourth Proportional to 151,884.32, 209,598.16 and 82,972.92

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Solution

The fourth proportional to 151,884.32, 209,598.16 and 82,972.92 is: 114,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,884.32 : 209,598.16 = 82,972.92 : x
  2. Step 2: Convert to fraction form
    151,884.32/209,598.16 = 82,972.92/x
  3. Step 3: Cross multiply
    151,884.32x = 209,598.16 × 82,972.92
  4. Step 4: Simplify right side
    151,884.32x = 17,390,971,361.83
  5. Step 5: Solve for x
    x = 17,390,971,361.83/151,884.32
  6. Step 6: Final answer
    x = 114,501.43

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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.