Home / 190,009.16-262,208.59-103,967.80

Finding the Fourth Proportional to 190,009.16, 262,208.59 and 103,967.80

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Solution

The fourth proportional to 190,009.16, 262,208.59 and 103,967.80 is: 143,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,009.16 : 262,208.59 = 103,967.80 : x
  2. Step 2: Convert to fraction form
    190,009.16/262,208.59 = 103,967.80/x
  3. Step 3: Cross multiply
    190,009.16x = 262,208.59 × 103,967.80
  4. Step 4: Simplify right side
    190,009.16x = 27,261,251,387.70
  5. Step 5: Solve for x
    x = 27,261,251,387.70/190,009.16
  6. Step 6: Final answer
    x = 143,473.35

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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.