Home / 132,605.61-183,000.57-72,173.33

Finding the Fourth Proportional to 132,605.61, 183,000.57 and 72,173.33

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Solution

The fourth proportional to 132,605.61, 183,000.57 and 72,173.33 is: 99,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605.61 : 183,000.57 = 72,173.33 : x
  2. Step 2: Convert to fraction form
    132,605.61/183,000.57 = 72,173.33/x
  3. Step 3: Cross multiply
    132,605.61x = 183,000.57 × 72,173.33
  4. Step 4: Simplify right side
    132,605.61x = 13,207,760,029.40
  5. Step 5: Solve for x
    x = 13,207,760,029.40/132,605.61
  6. Step 6: Final answer
    x = 99,601.82

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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.