Home / 222,155.71-306,567.25-126,693.13

Finding the Fourth Proportional to 222,155.71, 306,567.25 and 126,693.13

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Solution

The fourth proportional to 222,155.71, 306,567.25 and 126,693.13 is: 174,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155.71 : 306,567.25 = 126,693.13 : x
  2. Step 2: Convert to fraction form
    222,155.71/306,567.25 = 126,693.13/x
  3. Step 3: Cross multiply
    222,155.71x = 306,567.25 × 126,693.13
  4. Step 4: Simplify right side
    222,155.71x = 38,839,964,457.99
  5. Step 5: Solve for x
    x = 38,839,964,457.99/222,155.71
  6. Step 6: Final answer
    x = 174,832.17

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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.