Home / 190,900.80-286,351.20-57,801.60

Finding the Fourth Proportional to 190,900.80, 286,351.20 and 57,801.60

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Solution

The fourth proportional to 190,900.80, 286,351.20 and 57,801.60 is: 86,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,900.80 : 286,351.20 = 57,801.60 : x
  2. Step 2: Convert to fraction form
    190,900.80/286,351.20 = 57,801.60/x
  3. Step 3: Cross multiply
    190,900.80x = 286,351.20 × 57,801.60
  4. Step 4: Simplify right side
    190,900.80x = 16,551,557,521.92
  5. Step 5: Solve for x
    x = 16,551,557,521.92/190,900.80
  6. Step 6: Final answer
    x = 86,702.40

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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.