Home / 170,329.86-235,055.44-92,805.12

Finding the Fourth Proportional to 170,329.86, 235,055.44 and 92,805.12

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Solution

The fourth proportional to 170,329.86, 235,055.44 and 92,805.12 is: 128,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,329.86 : 235,055.44 = 92,805.12 : x
  2. Step 2: Convert to fraction form
    170,329.86/235,055.44 = 92,805.12/x
  3. Step 3: Cross multiply
    170,329.86x = 235,055.44 × 92,805.12
  4. Step 4: Simplify right side
    170,329.86x = 21,814,348,315.85
  5. Step 5: Solve for x
    x = 21,814,348,315.85/170,329.86
  6. Step 6: Final answer
    x = 128,071.19

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1.5x scale

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.