Home / 160,111.37-220,980.57-108,405.02

Finding the Fourth Proportional to 160,111.37, 220,980.57 and 108,405.02

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Solution

The fourth proportional to 160,111.37, 220,980.57 and 108,405.02 is: 149,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,111.37 : 220,980.57 = 108,405.02 : x
  2. Step 2: Convert to fraction form
    160,111.37/220,980.57 = 108,405.02/x
  3. Step 3: Cross multiply
    160,111.37x = 220,980.57 × 108,405.02
  4. Step 4: Simplify right side
    160,111.37x = 23,955,403,110.46
  5. Step 5: Solve for x
    x = 23,955,403,110.46/160,111.37
  6. Step 6: Final answer
    x = 149,617.13

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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.