Home / 153,341.15-211,633.38-92,091.47

Finding the Fourth Proportional to 153,341.15, 211,633.38 and 92,091.47

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Solution

The fourth proportional to 153,341.15, 211,633.38 and 92,091.47 is: 127,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341.15 : 211,633.38 = 92,091.47 : x
  2. Step 2: Convert to fraction form
    153,341.15/211,633.38 = 92,091.47/x
  3. Step 3: Cross multiply
    153,341.15x = 211,633.38 × 92,091.47
  4. Step 4: Simplify right side
    153,341.15x = 19,489,628,007.10
  5. Step 5: Solve for x
    x = 19,489,628,007.10/153,341.15
  6. Step 6: Final answer
    x = 127,099.79

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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.