Home / 170,695.86-235,602.45-103,684.02

Finding the Fourth Proportional to 170,695.86, 235,602.45 and 103,684.02

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Solution

The fourth proportional to 170,695.86, 235,602.45 and 103,684.02 is: 143,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695.86 : 235,602.45 = 103,684.02 : x
  2. Step 2: Convert to fraction form
    170,695.86/235,602.45 = 103,684.02/x
  3. Step 3: Cross multiply
    170,695.86x = 235,602.45 × 103,684.02
  4. Step 4: Simplify right side
    170,695.86x = 24,428,209,137.85
  5. Step 5: Solve for x
    x = 24,428,209,137.85/170,695.86
  6. Step 6: Final answer
    x = 143,109.56

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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.