Home / 190,169.81-262,434.35-104,134.21

Finding the Fourth Proportional to 190,169.81, 262,434.35 and 104,134.21

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Solution

The fourth proportional to 190,169.81, 262,434.35 and 104,134.21 is: 143,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,169.81 : 262,434.35 = 104,134.21 : x
  2. Step 2: Convert to fraction form
    190,169.81/262,434.35 = 104,134.21/x
  3. Step 3: Cross multiply
    190,169.81x = 262,434.35 × 104,134.21
  4. Step 4: Simplify right side
    190,169.81x = 27,328,393,714.11
  5. Step 5: Solve for x
    x = 27,328,393,714.11/190,169.81
  6. Step 6: Final answer
    x = 143,705.22

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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.