Home / 223,178.04-307,910.77-126,368.66

Finding the Fourth Proportional to 223,178.04, 307,910.77 and 126,368.66

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Solution

The fourth proportional to 223,178.04, 307,910.77 and 126,368.66 is: 174,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,178.04 : 307,910.77 = 126,368.66 : x
  2. Step 2: Convert to fraction form
    223,178.04/307,910.77 = 126,368.66/x
  3. Step 3: Cross multiply
    223,178.04x = 307,910.77 × 126,368.66
  4. Step 4: Simplify right side
    223,178.04x = 38,910,271,858.32
  5. Step 5: Solve for x
    x = 38,910,271,858.32/223,178.04
  6. Step 6: Final answer
    x = 174,346.33

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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.