Home / 103,864.02-155,729.44-43,876.24

Finding the Fourth Proportional to 103,864.02, 155,729.44 and 43,876.24

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Solution

The fourth proportional to 103,864.02, 155,729.44 and 43,876.24 is: 65,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,864.02 : 155,729.44 = 43,876.24 : x
  2. Step 2: Convert to fraction form
    103,864.02/155,729.44 = 43,876.24/x
  3. Step 3: Cross multiply
    103,864.02x = 155,729.44 × 43,876.24
  4. Step 4: Simplify right side
    103,864.02x = 6,832,822,284.51
  5. Step 5: Solve for x
    x = 6,832,822,284.51/103,864.02
  6. Step 6: Final answer
    x = 65,786.23

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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.