Home / 105,226.41-145,260.24-67,038.32

Finding the Fourth Proportional to 105,226.41, 145,260.24 and 67,038.32

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Solution

The fourth proportional to 105,226.41, 145,260.24 and 67,038.32 is: 92,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,226.41 : 145,260.24 = 67,038.32 : x
  2. Step 2: Convert to fraction form
    105,226.41/145,260.24 = 67,038.32/x
  3. Step 3: Cross multiply
    105,226.41x = 145,260.24 × 67,038.32
  4. Step 4: Simplify right side
    105,226.41x = 9,738,001,747.06
  5. Step 5: Solve for x
    x = 9,738,001,747.06/105,226.41
  6. Step 6: Final answer
    x = 92,543.33

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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.