Home / 105,557.02-158,336.61-26,671.35

Finding the Fourth Proportional to 105,557.02, 158,336.61 and 26,671.35

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Solution

The fourth proportional to 105,557.02, 158,336.61 and 26,671.35 is: 40,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,557.02 : 158,336.61 = 26,671.35 : x
  2. Step 2: Convert to fraction form
    105,557.02/158,336.61 = 26,671.35/x
  3. Step 3: Cross multiply
    105,557.02x = 158,336.61 × 26,671.35
  4. Step 4: Simplify right side
    105,557.02x = 4,223,051,143.12
  5. Step 5: Solve for x
    x = 4,223,051,143.12/105,557.02
  6. Step 6: Final answer
    x = 40,007.30

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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.