Home / 106,000.48-146,126.56-74,070.24

Finding the Fourth Proportional to 106,000.48, 146,126.56 and 74,070.24

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Solution

The fourth proportional to 106,000.48, 146,126.56 and 74,070.24 is: 102,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,000.48 : 146,126.56 = 74,070.24 : x
  2. Step 2: Convert to fraction form
    106,000.48/146,126.56 = 74,070.24/x
  3. Step 3: Cross multiply
    106,000.48x = 146,126.56 × 74,070.24
  4. Step 4: Simplify right side
    106,000.48x = 10,823,629,369.57
  5. Step 5: Solve for x
    x = 10,823,629,369.57/106,000.48
  6. Step 6: Final answer
    x = 102,109.25

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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.