Home / 223,106.13-307,886.45-122,504.13

Finding the Fourth Proportional to 223,106.13, 307,886.45 and 122,504.13

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Solution

The fourth proportional to 223,106.13, 307,886.45 and 122,504.13 is: 169,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,106.13 : 307,886.45 = 122,504.13 : x
  2. Step 2: Convert to fraction form
    223,106.13/307,886.45 = 122,504.13/x
  3. Step 3: Cross multiply
    223,106.13x = 307,886.45 × 122,504.13
  4. Step 4: Simplify right side
    223,106.13x = 37,717,361,696.04
  5. Step 5: Solve for x
    x = 37,717,361,696.04/223,106.13
  6. Step 6: Final answer
    x = 169,055.69

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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.