Home / 145,113.96-199,899.77-123,534.14

Finding the Fourth Proportional to 145,113.96, 199,899.77 and 123,534.14

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Solution

The fourth proportional to 145,113.96, 199,899.77 and 123,534.14 is: 170,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,113.96 : 199,899.77 = 123,534.14 : x
  2. Step 2: Convert to fraction form
    145,113.96/199,899.77 = 123,534.14/x
  3. Step 3: Cross multiply
    145,113.96x = 199,899.77 × 123,534.14
  4. Step 4: Simplify right side
    145,113.96x = 24,694,444,555.98
  5. Step 5: Solve for x
    x = 24,694,444,555.98/145,113.96
  6. Step 6: Final answer
    x = 170,172.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.