Home / 190,459.79-262,832.75-104,423.55

Finding the Fourth Proportional to 190,459.79, 262,832.75 and 104,423.55

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Solution

The fourth proportional to 190,459.79, 262,832.75 and 104,423.55 is: 144,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,459.79 : 262,832.75 = 104,423.55 : x
  2. Step 2: Convert to fraction form
    190,459.79/262,832.75 = 104,423.55/x
  3. Step 3: Cross multiply
    190,459.79x = 262,832.75 × 104,423.55
  4. Step 4: Simplify right side
    190,459.79x = 27,445,929,912.76
  5. Step 5: Solve for x
    x = 27,445,929,912.76/190,459.79
  6. Step 6: Final answer
    x = 144,103.54

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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.