Home / 105,237.16-145,201.26-67,562.44

Finding the Fourth Proportional to 105,237.16, 145,201.26 and 67,562.44

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Solution

The fourth proportional to 105,237.16, 145,201.26 and 67,562.44 is: 93,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,237.16 : 145,201.26 = 67,562.44 : x
  2. Step 2: Convert to fraction form
    105,237.16/145,201.26 = 67,562.44/x
  3. Step 3: Cross multiply
    105,237.16x = 145,201.26 × 67,562.44
  4. Step 4: Simplify right side
    105,237.16x = 9,810,151,416.67
  5. Step 5: Solve for x
    x = 9,810,151,416.67/105,237.16
  6. Step 6: Final answer
    x = 93,219.46

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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.