Home / 187,931.64-259,357.56-124,157.64

Finding the Fourth Proportional to 187,931.64, 259,357.56 and 124,157.64

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Solution

The fourth proportional to 187,931.64, 259,357.56 and 124,157.64 is: 171,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,931.64 : 259,357.56 = 124,157.64 : x
  2. Step 2: Convert to fraction form
    187,931.64/259,357.56 = 124,157.64/x
  3. Step 3: Cross multiply
    187,931.64x = 259,357.56 × 124,157.64
  4. Step 4: Simplify right side
    187,931.64x = 32,201,222,565.76
  5. Step 5: Solve for x
    x = 32,201,222,565.76/187,931.64
  6. Step 6: Final answer
    x = 171,345.40

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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.