Home / 151,096.56-208,518.21-83,118.75

Finding the Fourth Proportional to 151,096.56, 208,518.21 and 83,118.75

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Solution

The fourth proportional to 151,096.56, 208,518.21 and 83,118.75 is: 114,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,096.56 : 208,518.21 = 83,118.75 : x
  2. Step 2: Convert to fraction form
    151,096.56/208,518.21 = 83,118.75/x
  3. Step 3: Cross multiply
    151,096.56x = 208,518.21 × 83,118.75
  4. Step 4: Simplify right side
    151,096.56x = 17,331,772,967.44
  5. Step 5: Solve for x
    x = 17,331,772,967.44/151,096.56
  6. Step 6: Final answer
    x = 114,706.60

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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.