Home / 124,210.80-186,316.20-111,769.20

Finding the Fourth Proportional to 124,210.80, 186,316.20 and 111,769.20

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Solution

The fourth proportional to 124,210.80, 186,316.20 and 111,769.20 is: 167,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,210.80 : 186,316.20 = 111,769.20 : x
  2. Step 2: Convert to fraction form
    124,210.80/186,316.20 = 111,769.20/x
  3. Step 3: Cross multiply
    124,210.80x = 186,316.20 × 111,769.20
  4. Step 4: Simplify right side
    124,210.80x = 20,824,412,621.04
  5. Step 5: Solve for x
    x = 20,824,412,621.04/124,210.80
  6. Step 6: Final answer
    x = 167,653.80

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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.