Home / 146,519.29-202,236.48-86,109.40

Finding the Fourth Proportional to 146,519.29, 202,236.48 and 86,109.40

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Solution

The fourth proportional to 146,519.29, 202,236.48 and 86,109.40 is: 118,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519.29 : 202,236.48 = 86,109.40 : x
  2. Step 2: Convert to fraction form
    146,519.29/202,236.48 = 86,109.40/x
  3. Step 3: Cross multiply
    146,519.29x = 202,236.48 × 86,109.40
  4. Step 4: Simplify right side
    146,519.29x = 17,414,461,950.91
  5. Step 5: Solve for x
    x = 17,414,461,950.91/146,519.29
  6. Step 6: Final answer
    x = 118,854.40

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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.