Home / 110,110.74-151,965.57-103,354.98

Finding the Fourth Proportional to 110,110.74, 151,965.57 and 103,354.98

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Solution

The fourth proportional to 110,110.74, 151,965.57 and 103,354.98 is: 142,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,110.74 : 151,965.57 = 103,354.98 : x
  2. Step 2: Convert to fraction form
    110,110.74/151,965.57 = 103,354.98/x
  3. Step 3: Cross multiply
    110,110.74x = 151,965.57 × 103,354.98
  4. Step 4: Simplify right side
    110,110.74x = 15,706,398,448.04
  5. Step 5: Solve for x
    x = 15,706,398,448.04/110,110.74
  6. Step 6: Final answer
    x = 142,641.84

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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.