Home / 141,054.44-194,655.40-77,392.68

Finding the Fourth Proportional to 141,054.44, 194,655.40 and 77,392.68

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Solution

The fourth proportional to 141,054.44, 194,655.40 and 77,392.68 is: 106,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,054.44 : 194,655.40 = 77,392.68 : x
  2. Step 2: Convert to fraction form
    141,054.44/194,655.40 = 77,392.68/x
  3. Step 3: Cross multiply
    141,054.44x = 194,655.40 × 77,392.68
  4. Step 4: Simplify right side
    141,054.44x = 15,064,903,082.47
  5. Step 5: Solve for x
    x = 15,064,903,082.47/141,054.44
  6. Step 6: Final answer
    x = 106,802.05

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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.