Home / 149,651.69-224,518.55-74,681.33

Finding the Fourth Proportional to 149,651.69, 224,518.55 and 74,681.33

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Solution

The fourth proportional to 149,651.69, 224,518.55 and 74,681.33 is: 112,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,651.69 : 224,518.55 = 74,681.33 : x
  2. Step 2: Convert to fraction form
    149,651.69/224,518.55 = 74,681.33/x
  3. Step 3: Cross multiply
    149,651.69x = 224,518.55 × 74,681.33
  4. Step 4: Simplify right side
    149,651.69x = 16,767,344,111.56
  5. Step 5: Solve for x
    x = 16,767,344,111.56/149,651.69
  6. Step 6: Final answer
    x = 112,042.46

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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.