Home / 190,759.80-286,184.66-57,641.16

Finding the Fourth Proportional to 190,759.80, 286,184.66 and 57,641.16

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Solution

The fourth proportional to 190,759.80, 286,184.66 and 57,641.16 is: 86,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,759.80 : 286,184.66 = 57,641.16 : x
  2. Step 2: Convert to fraction form
    190,759.80/286,184.66 = 57,641.16/x
  3. Step 3: Cross multiply
    190,759.80x = 286,184.66 × 57,641.16
  4. Step 4: Simplify right side
    190,759.80x = 16,496,015,488.40
  5. Step 5: Solve for x
    x = 16,496,015,488.40/190,759.80
  6. Step 6: Final answer
    x = 86,475.32

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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.