Home / 236,330.90-354,389.38-67,812.53

Finding the Fourth Proportional to 236,330.90, 354,389.38 and 67,812.53

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Solution

The fourth proportional to 236,330.90, 354,389.38 and 67,812.53 is: 101,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,330.90 : 354,389.38 = 67,812.53 : x
  2. Step 2: Convert to fraction form
    236,330.90/354,389.38 = 67,812.53/x
  3. Step 3: Cross multiply
    236,330.90x = 354,389.38 × 67,812.53
  4. Step 4: Simplify right side
    236,330.90x = 24,032,038,521.45
  5. Step 5: Solve for x
    x = 24,032,038,521.45/236,330.90
  6. Step 6: Final answer
    x = 101,688.09

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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.