Home / 190,378.58-262,719.29-104,336.90

Finding the Fourth Proportional to 190,378.58, 262,719.29 and 104,336.90

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Solution

The fourth proportional to 190,378.58, 262,719.29 and 104,336.90 is: 143,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378.58 : 262,719.29 = 104,336.90 : x
  2. Step 2: Convert to fraction form
    190,378.58/262,719.29 = 104,336.90/x
  3. Step 3: Cross multiply
    190,378.58x = 262,719.29 × 104,336.90
  4. Step 4: Simplify right side
    190,378.58x = 27,411,316,288.80
  5. Step 5: Solve for x
    x = 27,411,316,288.80/190,378.58
  6. Step 6: Final answer
    x = 143,983.20

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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.