Home / 193,730.07-290,637.33-81,346.22

Finding the Fourth Proportional to 193,730.07, 290,637.33 and 81,346.22

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Solution

The fourth proportional to 193,730.07, 290,637.33 and 81,346.22 is: 122,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,730.07 : 290,637.33 = 81,346.22 : x
  2. Step 2: Convert to fraction form
    193,730.07/290,637.33 = 81,346.22/x
  3. Step 3: Cross multiply
    193,730.07x = 290,637.33 × 81,346.22
  4. Step 4: Simplify right side
    193,730.07x = 23,642,246,733.21
  5. Step 5: Solve for x
    x = 23,642,246,733.21/193,730.07
  6. Step 6: Final answer
    x = 122,037.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.