Home / 121,519.60-181,987.80-59,117.20

Finding the Fourth Proportional to 121,519.60, 181,987.80 and 59,117.20

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Solution

The fourth proportional to 121,519.60, 181,987.80 and 59,117.20 is: 88,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,519.60 : 181,987.80 = 59,117.20 : x
  2. Step 2: Convert to fraction form
    121,519.60/181,987.80 = 59,117.20/x
  3. Step 3: Cross multiply
    121,519.60x = 181,987.80 × 59,117.20
  4. Step 4: Simplify right side
    121,519.60x = 10,758,609,170.16
  5. Step 5: Solve for x
    x = 10,758,609,170.16/121,519.60
  6. Step 6: Final answer
    x = 88,533.94

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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.