Home / 106,237.03-146,738.76-77,118.93

Finding the Fourth Proportional to 106,237.03, 146,738.76 and 77,118.93

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Solution

The fourth proportional to 106,237.03, 146,738.76 and 77,118.93 is: 106,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,237.03 : 146,738.76 = 77,118.93 : x
  2. Step 2: Convert to fraction form
    106,237.03/146,738.76 = 77,118.93/x
  3. Step 3: Cross multiply
    106,237.03x = 146,738.76 × 77,118.93
  4. Step 4: Simplify right side
    106,237.03x = 11,316,335,111.39
  5. Step 5: Solve for x
    x = 11,316,335,111.39/106,237.03
  6. Step 6: Final answer
    x = 106,519.69

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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.