Home / 131,166.72-181,026.63-74,567.16

Finding the Fourth Proportional to 131,166.72, 181,026.63 and 74,567.16

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Solution

The fourth proportional to 131,166.72, 181,026.63 and 74,567.16 is: 102,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166.72 : 181,026.63 = 74,567.16 : x
  2. Step 2: Convert to fraction form
    131,166.72/181,026.63 = 74,567.16/x
  3. Step 3: Cross multiply
    131,166.72x = 181,026.63 × 74,567.16
  4. Step 4: Simplify right side
    131,166.72x = 13,498,641,683.47
  5. Step 5: Solve for x
    x = 13,498,641,683.47/131,166.72
  6. Step 6: Final answer
    x = 102,912.09

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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.