Home / 141,890.40-195,804.54-77,357.16

Finding the Fourth Proportional to 141,890.40, 195,804.54 and 77,357.16

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Solution

The fourth proportional to 141,890.40, 195,804.54 and 77,357.16 is: 106,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,890.40 : 195,804.54 = 77,357.16 : x
  2. Step 2: Convert to fraction form
    141,890.40/195,804.54 = 77,357.16/x
  3. Step 3: Cross multiply
    141,890.40x = 195,804.54 × 77,357.16
  4. Step 4: Simplify right side
    141,890.40x = 15,146,883,129.51
  5. Step 5: Solve for x
    x = 15,146,883,129.51/141,890.40
  6. Step 6: Final answer
    x = 106,750.58

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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.