Home / 160,054.37-220,921.05-105,646.25

Finding the Fourth Proportional to 160,054.37, 220,921.05 and 105,646.25

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Solution

The fourth proportional to 160,054.37, 220,921.05 and 105,646.25 is: 145,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,054.37 : 220,921.05 = 105,646.25 : x
  2. Step 2: Convert to fraction form
    160,054.37/220,921.05 = 105,646.25/x
  3. Step 3: Cross multiply
    160,054.37x = 220,921.05 × 105,646.25
  4. Step 4: Simplify right side
    160,054.37x = 23,339,478,845.73
  5. Step 5: Solve for x
    x = 23,339,478,845.73/160,054.37
  6. Step 6: Final answer
    x = 145,822.20

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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.