Home / 127,141.37-190,712.06-99,082.42

Finding the Fourth Proportional to 127,141.37, 190,712.06 and 99,082.42

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Solution

The fourth proportional to 127,141.37, 190,712.06 and 99,082.42 is: 148,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.37 : 190,712.06 = 99,082.42 : x
  2. Step 2: Convert to fraction form
    127,141.37/190,712.06 = 99,082.42/x
  3. Step 3: Cross multiply
    127,141.37x = 190,712.06 × 99,082.42
  4. Step 4: Simplify right side
    127,141.37x = 18,896,212,427.99
  5. Step 5: Solve for x
    x = 18,896,212,427.99/127,141.37
  6. Step 6: Final answer
    x = 148,623.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.