Home / 145,607.92-200,938.89-81,946.06

Finding the Fourth Proportional to 145,607.92, 200,938.89 and 81,946.06

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Solution

The fourth proportional to 145,607.92, 200,938.89 and 81,946.06 is: 113,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,607.92 : 200,938.89 = 81,946.06 : x
  2. Step 2: Convert to fraction form
    145,607.92/200,938.89 = 81,946.06/x
  3. Step 3: Cross multiply
    145,607.92x = 200,938.89 × 81,946.06
  4. Step 4: Simplify right side
    145,607.92x = 16,466,150,336.27
  5. Step 5: Solve for x
    x = 16,466,150,336.27/145,607.92
  6. Step 6: Final answer
    x = 113,085.54

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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.