Home / 170,709.36-235,621.10-103,697.52

Finding the Fourth Proportional to 170,709.36, 235,621.10 and 103,697.52

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Solution

The fourth proportional to 170,709.36, 235,621.10 and 103,697.52 is: 143,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,709.36 : 235,621.10 = 103,697.52 : x
  2. Step 2: Convert to fraction form
    170,709.36/235,621.10 = 103,697.52/x
  3. Step 3: Cross multiply
    170,709.36x = 235,621.10 × 103,697.52
  4. Step 4: Simplify right side
    170,709.36x = 24,433,323,729.67
  5. Step 5: Solve for x
    x = 24,433,323,729.67/170,709.36
  6. Step 6: Final answer
    x = 143,128.20

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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.