Home / 190,638.28-263,071.95-104,595.33

Finding the Fourth Proportional to 190,638.28, 263,071.95 and 104,595.33

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Solution

The fourth proportional to 190,638.28, 263,071.95 and 104,595.33 is: 144,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,638.28 : 263,071.95 = 104,595.33 : x
  2. Step 2: Convert to fraction form
    190,638.28/263,071.95 = 104,595.33/x
  3. Step 3: Cross multiply
    190,638.28x = 263,071.95 × 104,595.33
  4. Step 4: Simplify right side
    190,638.28x = 27,516,096,386.96
  5. Step 5: Solve for x
    x = 27,516,096,386.96/190,638.28
  6. Step 6: Final answer
    x = 144,336.68

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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.