Home / 190,492.76-262,865.64-104,438

Finding the Fourth Proportional to 190,492.76, 262,865.64 and 104,438

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Solution

The fourth proportional to 190,492.76, 262,865.64 and 104,438 is: 144,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,492.76 : 262,865.64 = 104,438 : x
  2. Step 2: Convert to fraction form
    190,492.76/262,865.64 = 104,438/x
  3. Step 3: Cross multiply
    190,492.76x = 262,865.64 × 104,438
  4. Step 4: Simplify right side
    190,492.76x = 27,453,161,710.32
  5. Step 5: Solve for x
    x = 27,453,161,710.32/190,492.76
  6. Step 6: Final answer
    x = 144,116.56

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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.