Home / 170,150.25-255,237.11-57,784.62

Finding the Fourth Proportional to 170,150.25, 255,237.11 and 57,784.62

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Solution

The fourth proportional to 170,150.25, 255,237.11 and 57,784.62 is: 86,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,150.25 : 255,237.11 = 57,784.62 : x
  2. Step 2: Convert to fraction form
    170,150.25/255,237.11 = 57,784.62/x
  3. Step 3: Cross multiply
    170,150.25x = 255,237.11 × 57,784.62
  4. Step 4: Simplify right side
    170,150.25x = 14,748,779,411.25
  5. Step 5: Solve for x
    x = 14,748,779,411.25/170,150.25
  6. Step 6: Final answer
    x = 86,680.92

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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.