Home / 190,032.60-285,058.08-49,791.36

Finding the Fourth Proportional to 190,032.60, 285,058.08 and 49,791.36

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Solution

The fourth proportional to 190,032.60, 285,058.08 and 49,791.36 is: 74,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.60 : 285,058.08 = 49,791.36 : x
  2. Step 2: Convert to fraction form
    190,032.60/285,058.08 = 49,791.36/x
  3. Step 3: Cross multiply
    190,032.60x = 285,058.08 × 49,791.36
  4. Step 4: Simplify right side
    190,032.60x = 14,193,429,482.19
  5. Step 5: Solve for x
    x = 14,193,429,482.19/190,032.60
  6. Step 6: Final answer
    x = 74,689.45

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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.