Home / 121,987.44-182,840.73-47,074.45

Finding the Fourth Proportional to 121,987.44, 182,840.73 and 47,074.45

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Solution

The fourth proportional to 121,987.44, 182,840.73 and 47,074.45 is: 70,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,987.44 : 182,840.73 = 47,074.45 : x
  2. Step 2: Convert to fraction form
    121,987.44/182,840.73 = 47,074.45/x
  3. Step 3: Cross multiply
    121,987.44x = 182,840.73 × 47,074.45
  4. Step 4: Simplify right side
    121,987.44x = 8,607,126,802.35
  5. Step 5: Solve for x
    x = 8,607,126,802.35/121,987.44
  6. Step 6: Final answer
    x = 70,557.49

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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.