Home / 220,557.25-304,368.37-122,455.46

Finding the Fourth Proportional to 220,557.25, 304,368.37 and 122,455.46

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Solution

The fourth proportional to 220,557.25, 304,368.37 and 122,455.46 is: 168,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,557.25 : 304,368.37 = 122,455.46 : x
  2. Step 2: Convert to fraction form
    220,557.25/304,368.37 = 122,455.46/x
  3. Step 3: Cross multiply
    220,557.25x = 304,368.37 × 122,455.46
  4. Step 4: Simplify right side
    220,557.25x = 37,271,569,212.58
  5. Step 5: Solve for x
    x = 37,271,569,212.58/220,557.25
  6. Step 6: Final answer
    x = 168,988.19

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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.