Home / 106,325.82-146,790.72-70,564.32

Finding the Fourth Proportional to 106,325.82, 146,790.72 and 70,564.32

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Solution

The fourth proportional to 106,325.82, 146,790.72 and 70,564.32 is: 97,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,325.82 : 146,790.72 = 70,564.32 : x
  2. Step 2: Convert to fraction form
    106,325.82/146,790.72 = 70,564.32/x
  3. Step 3: Cross multiply
    106,325.82x = 146,790.72 × 70,564.32
  4. Step 4: Simplify right side
    106,325.82x = 10,358,187,339.11
  5. Step 5: Solve for x
    x = 10,358,187,339.11/106,325.82
  6. Step 6: Final answer
    x = 97,419.30

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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.