Home / 103,738.16-143,150.28-59,026.16

Finding the Fourth Proportional to 103,738.16, 143,150.28 and 59,026.16

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Solution

The fourth proportional to 103,738.16, 143,150.28 and 59,026.16 is: 81,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,738.16 : 143,150.28 = 59,026.16 : x
  2. Step 2: Convert to fraction form
    103,738.16/143,150.28 = 59,026.16/x
  3. Step 3: Cross multiply
    103,738.16x = 143,150.28 × 59,026.16
  4. Step 4: Simplify right side
    103,738.16x = 8,449,611,331.32
  5. Step 5: Solve for x
    x = 8,449,611,331.32/103,738.16
  6. Step 6: Final answer
    x = 81,451.33

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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.