Home / 293,884.77-405,185.55-190,336.02

Finding the Fourth Proportional to 293,884.77, 405,185.55 and 190,336.02

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Solution

The fourth proportional to 293,884.77, 405,185.55 and 190,336.02 is: 262,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,884.77 : 405,185.55 = 190,336.02 : x
  2. Step 2: Convert to fraction form
    293,884.77/405,185.55 = 190,336.02/x
  3. Step 3: Cross multiply
    293,884.77x = 405,185.55 × 190,336.02
  4. Step 4: Simplify right side
    293,884.77x = 77,121,402,715.31
  5. Step 5: Solve for x
    x = 77,121,402,715.31/293,884.77
  6. Step 6: Final answer
    x = 262,420.55

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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.