Home / 124,363.68-186,544.14-74,457.72

Finding the Fourth Proportional to 124,363.68, 186,544.14 and 74,457.72

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Solution

The fourth proportional to 124,363.68, 186,544.14 and 74,457.72 is: 111,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,363.68 : 186,544.14 = 74,457.72 : x
  2. Step 2: Convert to fraction form
    124,363.68/186,544.14 = 74,457.72/x
  3. Step 3: Cross multiply
    124,363.68x = 186,544.14 × 74,457.72
  4. Step 4: Simplify right side
    124,363.68x = 13,889,651,343.76
  5. Step 5: Solve for x
    x = 13,889,651,343.76/124,363.68
  6. Step 6: Final answer
    x = 111,685.75

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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.