Home / 106,031.23-146,214.62-70,208.17

Finding the Fourth Proportional to 106,031.23, 146,214.62 and 70,208.17

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Solution

The fourth proportional to 106,031.23, 146,214.62 and 70,208.17 is: 96,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,031.23 : 146,214.62 = 70,208.17 : x
  2. Step 2: Convert to fraction form
    106,031.23/146,214.62 = 70,208.17/x
  3. Step 3: Cross multiply
    106,031.23x = 146,214.62 × 70,208.17
  4. Step 4: Simplify right side
    106,031.23x = 10,265,460,444.15
  5. Step 5: Solve for x
    x = 10,265,460,444.15/106,031.23
  6. Step 6: Final answer
    x = 96,815.44

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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.