Home / 163,285.02-225,133.20-112,196.70

Finding the Fourth Proportional to 163,285.02, 225,133.20 and 112,196.70

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Solution

The fourth proportional to 163,285.02, 225,133.20 and 112,196.70 is: 154,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,285.02 : 225,133.20 = 112,196.70 : x
  2. Step 2: Convert to fraction form
    163,285.02/225,133.20 = 112,196.70/x
  3. Step 3: Cross multiply
    163,285.02x = 225,133.20 × 112,196.70
  4. Step 4: Simplify right side
    163,285.02x = 25,259,202,100.44
  5. Step 5: Solve for x
    x = 25,259,202,100.44/163,285.02
  6. Step 6: Final answer
    x = 154,693.93

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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.