Home / 113,860.80-170,402.40-104,529.60

Finding the Fourth Proportional to 113,860.80, 170,402.40 and 104,529.60

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Solution

The fourth proportional to 113,860.80, 170,402.40 and 104,529.60 is: 156,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,860.80 : 170,402.40 = 104,529.60 : x
  2. Step 2: Convert to fraction form
    113,860.80/170,402.40 = 104,529.60/x
  3. Step 3: Cross multiply
    113,860.80x = 170,402.40 × 104,529.60
  4. Step 4: Simplify right side
    113,860.80x = 17,812,094,711.04
  5. Step 5: Solve for x
    x = 17,812,094,711.04/113,860.80
  6. Step 6: Final answer
    x = 156,437.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.