Home / 145,607.54-200,905.17-81,922.10

Finding the Fourth Proportional to 145,607.54, 200,905.17 and 81,922.10

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Solution

The fourth proportional to 145,607.54, 200,905.17 and 81,922.10 is: 113,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,607.54 : 200,905.17 = 81,922.10 : x
  2. Step 2: Convert to fraction form
    145,607.54/200,905.17 = 81,922.10/x
  3. Step 3: Cross multiply
    145,607.54x = 200,905.17 × 81,922.10
  4. Step 4: Simplify right side
    145,607.54x = 16,458,573,427.26
  5. Step 5: Solve for x
    x = 16,458,573,427.26/145,607.54
  6. Step 6: Final answer
    x = 113,033.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.