Home / 158,712.01-219,022.44-87,096.53

Finding the Fourth Proportional to 158,712.01, 219,022.44 and 87,096.53

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Solution

The fourth proportional to 158,712.01, 219,022.44 and 87,096.53 is: 120,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,712.01 : 219,022.44 = 87,096.53 : x
  2. Step 2: Convert to fraction form
    158,712.01/219,022.44 = 87,096.53/x
  3. Step 3: Cross multiply
    158,712.01x = 219,022.44 × 87,096.53
  4. Step 4: Simplify right side
    158,712.01x = 19,076,094,516.13
  5. Step 5: Solve for x
    x = 19,076,094,516.13/158,712.01
  6. Step 6: Final answer
    x = 120,193.14

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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.