Home / 103,646.36-143,030.30-58,324.31

Finding the Fourth Proportional to 103,646.36, 143,030.30 and 58,324.31

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Solution

The fourth proportional to 103,646.36, 143,030.30 and 58,324.31 is: 80,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.36 : 143,030.30 = 58,324.31 : x
  2. Step 2: Convert to fraction form
    103,646.36/143,030.30 = 58,324.31/x
  3. Step 3: Cross multiply
    103,646.36x = 143,030.30 × 58,324.31
  4. Step 4: Simplify right side
    103,646.36x = 8,342,143,695.45
  5. Step 5: Solve for x
    x = 8,342,143,695.45/103,646.36
  6. Step 6: Final answer
    x = 80,486.61

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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.