Home / 106,389.06-146,876.86-70,627.96

Finding the Fourth Proportional to 106,389.06, 146,876.86 and 70,627.96

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Solution

The fourth proportional to 106,389.06, 146,876.86 and 70,627.96 is: 97,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,389.06 : 146,876.86 = 70,627.96 : x
  2. Step 2: Convert to fraction form
    106,389.06/146,876.86 = 70,627.96/x
  3. Step 3: Cross multiply
    106,389.06x = 146,876.86 × 70,627.96
  4. Step 4: Simplify right side
    106,389.06x = 10,373,612,993.01
  5. Step 5: Solve for x
    x = 10,373,612,993.01/106,389.06
  6. Step 6: Final answer
    x = 97,506.39

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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.