Home / 105,155.19-145,108.71-59,832.26

Finding the Fourth Proportional to 105,155.19, 145,108.71 and 59,832.26

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Solution

The fourth proportional to 105,155.19, 145,108.71 and 59,832.26 is: 82,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,155.19 : 145,108.71 = 59,832.26 : x
  2. Step 2: Convert to fraction form
    105,155.19/145,108.71 = 59,832.26/x
  3. Step 3: Cross multiply
    105,155.19x = 145,108.71 × 59,832.26
  4. Step 4: Simplify right side
    105,155.19x = 8,682,181,339.44
  5. Step 5: Solve for x
    x = 8,682,181,339.44/105,155.19
  6. Step 6: Final answer
    x = 82,565.41

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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.