Home / 158,851.93-238,277.99-99,729.12

Finding the Fourth Proportional to 158,851.93, 238,277.99 and 99,729.12

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Solution

The fourth proportional to 158,851.93, 238,277.99 and 99,729.12 is: 149,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,851.93 : 238,277.99 = 99,729.12 : x
  2. Step 2: Convert to fraction form
    158,851.93/238,277.99 = 99,729.12/x
  3. Step 3: Cross multiply
    158,851.93x = 238,277.99 × 99,729.12
  4. Step 4: Simplify right side
    158,851.93x = 23,763,254,258.07
  5. Step 5: Solve for x
    x = 23,763,254,258.07/158,851.93
  6. Step 6: Final answer
    x = 149,593.74

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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.