Home / 222,583.59-307,164.29-121,981.59

Finding the Fourth Proportional to 222,583.59, 307,164.29 and 121,981.59

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Solution

The fourth proportional to 222,583.59, 307,164.29 and 121,981.59 is: 168,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,583.59 : 307,164.29 = 121,981.59 : x
  2. Step 2: Convert to fraction form
    222,583.59/307,164.29 = 121,981.59/x
  3. Step 3: Cross multiply
    222,583.59x = 307,164.29 × 121,981.59
  4. Step 4: Simplify right side
    222,583.59x = 37,468,387,875.51
  5. Step 5: Solve for x
    x = 37,468,387,875.51/222,583.59
  6. Step 6: Final answer
    x = 168,334.01

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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.