Home / 145,793.09-201,193.56-82,151.39

Finding the Fourth Proportional to 145,793.09, 201,193.56 and 82,151.39

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Solution

The fourth proportional to 145,793.09, 201,193.56 and 82,151.39 is: 113,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,793.09 : 201,193.56 = 82,151.39 : x
  2. Step 2: Convert to fraction form
    145,793.09/201,193.56 = 82,151.39/x
  3. Step 3: Cross multiply
    145,793.09x = 201,193.56 × 82,151.39
  4. Step 4: Simplify right side
    145,793.09x = 16,528,329,607.08
  5. Step 5: Solve for x
    x = 16,528,329,607.08/145,793.09
  6. Step 6: Final answer
    x = 113,368.41

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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.