Home / 123,838.26-170,897.45-70,133.73

Finding the Fourth Proportional to 123,838.26, 170,897.45 and 70,133.73

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Solution

The fourth proportional to 123,838.26, 170,897.45 and 70,133.73 is: 96,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838.26 : 170,897.45 = 70,133.73 : x
  2. Step 2: Convert to fraction form
    123,838.26/170,897.45 = 70,133.73/x
  3. Step 3: Cross multiply
    123,838.26x = 170,897.45 × 70,133.73
  4. Step 4: Simplify right side
    123,838.26x = 11,985,675,615.99
  5. Step 5: Solve for x
    x = 11,985,675,615.99/123,838.26
  6. Step 6: Final answer
    x = 96,784.92

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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.