Home / 190,443.26-262,809.98-104,407.15

Finding the Fourth Proportional to 190,443.26, 262,809.98 and 104,407.15

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Solution

The fourth proportional to 190,443.26, 262,809.98 and 104,407.15 is: 144,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,443.26 : 262,809.98 = 104,407.15 : x
  2. Step 2: Convert to fraction form
    190,443.26/262,809.98 = 104,407.15/x
  3. Step 3: Cross multiply
    190,443.26x = 262,809.98 × 104,407.15
  4. Step 4: Simplify right side
    190,443.26x = 27,439,240,215.82
  5. Step 5: Solve for x
    x = 27,439,240,215.82/190,443.26
  6. Step 6: Final answer
    x = 144,080.92

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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.