Home / 128,788.02-193,165.62-49,848.24

Finding the Fourth Proportional to 128,788.02, 193,165.62 and 49,848.24

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Solution

The fourth proportional to 128,788.02, 193,165.62 and 49,848.24 is: 74,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,788.02 : 193,165.62 = 49,848.24 : x
  2. Step 2: Convert to fraction form
    128,788.02/193,165.62 = 49,848.24/x
  3. Step 3: Cross multiply
    128,788.02x = 193,165.62 × 49,848.24
  4. Step 4: Simplify right side
    128,788.02x = 9,628,966,185.51
  5. Step 5: Solve for x
    x = 9,628,966,185.51/128,788.02
  6. Step 6: Final answer
    x = 74,766.01

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1.5x scale

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.