Home / 160,032.07-240,198.75-81,202.87

Finding the Fourth Proportional to 160,032.07, 240,198.75 and 81,202.87

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Solution

The fourth proportional to 160,032.07, 240,198.75 and 81,202.87 is: 121,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,032.07 : 240,198.75 = 81,202.87 : x
  2. Step 2: Convert to fraction form
    160,032.07/240,198.75 = 81,202.87/x
  3. Step 3: Cross multiply
    160,032.07x = 240,198.75 × 81,202.87
  4. Step 4: Simplify right side
    160,032.07x = 19,504,827,870.41
  5. Step 5: Solve for x
    x = 19,504,827,870.41/160,032.07
  6. Step 6: Final answer
    x = 121,880.74

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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.