Home / 121,724.64-182,619.63-37,486.80

Finding the Fourth Proportional to 121,724.64, 182,619.63 and 37,486.80

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Solution

The fourth proportional to 121,724.64, 182,619.63 and 37,486.80 is: 56,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,724.64 : 182,619.63 = 37,486.80 : x
  2. Step 2: Convert to fraction form
    121,724.64/182,619.63 = 37,486.80/x
  3. Step 3: Cross multiply
    121,724.64x = 182,619.63 × 37,486.80
  4. Step 4: Simplify right side
    121,724.64x = 6,845,825,545.88
  5. Step 5: Solve for x
    x = 6,845,825,545.88/121,724.64
  6. Step 6: Final answer
    x = 56,240.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.