Home / 124,022.10-186,061.22-45,136.74

Finding the Fourth Proportional to 124,022.10, 186,061.22 and 45,136.74

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Solution

The fourth proportional to 124,022.10, 186,061.22 and 45,136.74 is: 67,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,022.10 : 186,061.22 = 45,136.74 : x
  2. Step 2: Convert to fraction form
    124,022.10/186,061.22 = 45,136.74/x
  3. Step 3: Cross multiply
    124,022.10x = 186,061.22 × 45,136.74
  4. Step 4: Simplify right side
    124,022.10x = 8,398,196,911.22
  5. Step 5: Solve for x
    x = 8,398,196,911.22/124,022.10
  6. Step 6: Final answer
    x = 67,715.33

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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.