Home / 190,887.56-286,204.98-91,063.16

Finding the Fourth Proportional to 190,887.56, 286,204.98 and 91,063.16

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Solution

The fourth proportional to 190,887.56, 286,204.98 and 91,063.16 is: 136,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,887.56 : 286,204.98 = 91,063.16 : x
  2. Step 2: Convert to fraction form
    190,887.56/286,204.98 = 91,063.16/x
  3. Step 3: Cross multiply
    190,887.56x = 286,204.98 × 91,063.16
  4. Step 4: Simplify right side
    190,887.56x = 26,062,729,886.54
  5. Step 5: Solve for x
    x = 26,062,729,886.54/190,887.56
  6. Step 6: Final answer
    x = 136,534.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.