Home / 125,181.48-186,655.56-111,272.16

Finding the Fourth Proportional to 125,181.48, 186,655.56 and 111,272.16

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Solution

The fourth proportional to 125,181.48, 186,655.56 and 111,272.16 is: 165,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,181.48 : 186,655.56 = 111,272.16 : x
  2. Step 2: Convert to fraction form
    125,181.48/186,655.56 = 111,272.16/x
  3. Step 3: Cross multiply
    125,181.48x = 186,655.56 × 111,272.16
  4. Step 4: Simplify right side
    125,181.48x = 20,769,567,337.21
  5. Step 5: Solve for x
    x = 20,769,567,337.21/125,181.48
  6. Step 6: Final answer
    x = 165,915.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.