Home / 190,626.29-285,941.48-57,507.70

Finding the Fourth Proportional to 190,626.29, 285,941.48 and 57,507.70

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Solution

The fourth proportional to 190,626.29, 285,941.48 and 57,507.70 is: 86,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,626.29 : 285,941.48 = 57,507.70 : x
  2. Step 2: Convert to fraction form
    190,626.29/285,941.48 = 57,507.70/x
  3. Step 3: Cross multiply
    190,626.29x = 285,941.48 × 57,507.70
  4. Step 4: Simplify right side
    190,626.29x = 16,443,835,132.15
  5. Step 5: Solve for x
    x = 16,443,835,132.15/190,626.29
  6. Step 6: Final answer
    x = 86,262.16

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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.