Home / 141,186.64-210,534.50-121,591.12

Finding the Fourth Proportional to 141,186.64, 210,534.50 and 121,591.12

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Solution

The fourth proportional to 141,186.64, 210,534.50 and 121,591.12 is: 181,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.64 : 210,534.50 = 121,591.12 : x
  2. Step 2: Convert to fraction form
    141,186.64/210,534.50 = 121,591.12/x
  3. Step 3: Cross multiply
    141,186.64x = 210,534.50 × 121,591.12
  4. Step 4: Simplify right side
    141,186.64x = 25,599,125,653.64
  5. Step 5: Solve for x
    x = 25,599,125,653.64/141,186.64
  6. Step 6: Final answer
    x = 181,314.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.