Home / 145,504.02-200,793.51-81,841.89

Finding the Fourth Proportional to 145,504.02, 200,793.51 and 81,841.89

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Solution

The fourth proportional to 145,504.02, 200,793.51 and 81,841.89 is: 112,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,504.02 : 200,793.51 = 81,841.89 : x
  2. Step 2: Convert to fraction form
    145,504.02/200,793.51 = 81,841.89/x
  3. Step 3: Cross multiply
    145,504.02x = 200,793.51 × 81,841.89
  4. Step 4: Simplify right side
    145,504.02x = 16,433,320,358.13
  5. Step 5: Solve for x
    x = 16,433,320,358.13/145,504.02
  6. Step 6: Final answer
    x = 112,940.66

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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.