Home / 163,434.48-225,586.44-98,903.76

Finding the Fourth Proportional to 163,434.48, 225,586.44 and 98,903.76

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Solution

The fourth proportional to 163,434.48, 225,586.44 and 98,903.76 is: 136,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.48 : 225,586.44 = 98,903.76 : x
  2. Step 2: Convert to fraction form
    163,434.48/225,586.44 = 98,903.76/x
  3. Step 3: Cross multiply
    163,434.48x = 225,586.44 × 98,903.76
  4. Step 4: Simplify right side
    163,434.48x = 22,311,347,121.01
  5. Step 5: Solve for x
    x = 22,311,347,121.01/163,434.48
  6. Step 6: Final answer
    x = 136,515.55

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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.