Home / 190,763.88-286,147.80-57,645.24

Finding the Fourth Proportional to 190,763.88, 286,147.80 and 57,645.24

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Solution

The fourth proportional to 190,763.88, 286,147.80 and 57,645.24 is: 86,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,763.88 : 286,147.80 = 57,645.24 : x
  2. Step 2: Convert to fraction form
    190,763.88/286,147.80 = 57,645.24/x
  3. Step 3: Cross multiply
    190,763.88x = 286,147.80 × 57,645.24
  4. Step 4: Simplify right side
    190,763.88x = 16,495,058,606.47
  5. Step 5: Solve for x
    x = 16,495,058,606.47/190,763.88
  6. Step 6: Final answer
    x = 86,468.46

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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.