Home / 190,483.14-285,721.75-46,390.29

Finding the Fourth Proportional to 190,483.14, 285,721.75 and 46,390.29

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Solution

The fourth proportional to 190,483.14, 285,721.75 and 46,390.29 is: 69,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,483.14 : 285,721.75 = 46,390.29 : x
  2. Step 2: Convert to fraction form
    190,483.14/285,721.75 = 46,390.29/x
  3. Step 3: Cross multiply
    190,483.14x = 285,721.75 × 46,390.29
  4. Step 4: Simplify right side
    190,483.14x = 13,254,716,369.59
  5. Step 5: Solve for x
    x = 13,254,716,369.59/190,483.14
  6. Step 6: Final answer
    x = 69,584.72

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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.