Home / 193,433.36-290,056.71-81,083.40

Finding the Fourth Proportional to 193,433.36, 290,056.71 and 81,083.40

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Solution

The fourth proportional to 193,433.36, 290,056.71 and 81,083.40 is: 121,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,433.36 : 290,056.71 = 81,083.40 : x
  2. Step 2: Convert to fraction form
    193,433.36/290,056.71 = 81,083.40/x
  3. Step 3: Cross multiply
    193,433.36x = 290,056.71 × 81,083.40
  4. Step 4: Simplify right side
    193,433.36x = 23,518,784,239.61
  5. Step 5: Solve for x
    x = 23,518,784,239.61/193,433.36
  6. Step 6: Final answer
    x = 121,585.98

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1.5x scale

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.