Home / 121,212.41-181,570.74-98,802.95

Finding the Fourth Proportional to 121,212.41, 181,570.74 and 98,802.95

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Solution

The fourth proportional to 121,212.41, 181,570.74 and 98,802.95 is: 148,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,212.41 : 181,570.74 = 98,802.95 : x
  2. Step 2: Convert to fraction form
    121,212.41/181,570.74 = 98,802.95/x
  3. Step 3: Cross multiply
    121,212.41x = 181,570.74 × 98,802.95
  4. Step 4: Simplify right side
    121,212.41x = 17,939,723,837.83
  5. Step 5: Solve for x
    x = 17,939,723,837.83/121,212.41
  6. Step 6: Final answer
    x = 148,002.38

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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.