Home / 112,570.60-155,644.26-98,573.80

Finding the Fourth Proportional to 112,570.60, 155,644.26 and 98,573.80

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Solution

The fourth proportional to 112,570.60, 155,644.26 and 98,573.80 is: 136,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,570.60 : 155,644.26 = 98,573.80 : x
  2. Step 2: Convert to fraction form
    112,570.60/155,644.26 = 98,573.80/x
  3. Step 3: Cross multiply
    112,570.60x = 155,644.26 × 98,573.80
  4. Step 4: Simplify right side
    112,570.60x = 15,342,446,156.39
  5. Step 5: Solve for x
    x = 15,342,446,156.39/112,570.60
  6. Step 6: Final answer
    x = 136,291.77

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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.