Home / 170,396.40-235,147.04-98,817.94

Finding the Fourth Proportional to 170,396.40, 235,147.04 and 98,817.94

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Solution

The fourth proportional to 170,396.40, 235,147.04 and 98,817.94 is: 136,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,396.40 : 235,147.04 = 98,817.94 : x
  2. Step 2: Convert to fraction form
    170,396.40/235,147.04 = 98,817.94/x
  3. Step 3: Cross multiply
    170,396.40x = 235,147.04 × 98,817.94
  4. Step 4: Simplify right side
    170,396.40x = 23,236,746,089.90
  5. Step 5: Solve for x
    x = 23,236,746,089.90/170,396.40
  6. Step 6: Final answer
    x = 136,368.76

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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.