Home / 157,121.51-235,539.29-57,258.93

Finding the Fourth Proportional to 157,121.51, 235,539.29 and 57,258.93

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Solution

The fourth proportional to 157,121.51, 235,539.29 and 57,258.93 is: 85,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,121.51 : 235,539.29 = 57,258.93 : x
  2. Step 2: Convert to fraction form
    157,121.51/235,539.29 = 57,258.93/x
  3. Step 3: Cross multiply
    157,121.51x = 235,539.29 × 57,258.93
  4. Step 4: Simplify right side
    157,121.51x = 13,486,728,744.78
  5. Step 5: Solve for x
    x = 13,486,728,744.78/157,121.51
  6. Step 6: Final answer
    x = 85,836.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.