Home / 121,151.08-181,445.82-116,948.80

Finding the Fourth Proportional to 121,151.08, 181,445.82 and 116,948.80

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Solution

The fourth proportional to 121,151.08, 181,445.82 and 116,948.80 is: 175,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,151.08 : 181,445.82 = 116,948.80 : x
  2. Step 2: Convert to fraction form
    121,151.08/181,445.82 = 116,948.80/x
  3. Step 3: Cross multiply
    121,151.08x = 181,445.82 × 116,948.80
  4. Step 4: Simplify right side
    121,151.08x = 21,219,870,914.02
  5. Step 5: Solve for x
    x = 21,219,870,914.02/121,151.08
  6. Step 6: Final answer
    x = 175,152.14

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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.