Home / 106,001.61-146,291.19-72,085.33

Finding the Fourth Proportional to 106,001.61, 146,291.19 and 72,085.33

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Solution

The fourth proportional to 106,001.61, 146,291.19 and 72,085.33 is: 99,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,001.61 : 146,291.19 = 72,085.33 : x
  2. Step 2: Convert to fraction form
    106,001.61/146,291.19 = 72,085.33/x
  3. Step 3: Cross multiply
    106,001.61x = 146,291.19 × 72,085.33
  4. Step 4: Simplify right side
    106,001.61x = 10,545,448,707.24
  5. Step 5: Solve for x
    x = 10,545,448,707.24/106,001.61
  6. Step 6: Final answer
    x = 99,483.85

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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.