Home / 213,068.84-294,051.60-122,456.42

Finding the Fourth Proportional to 213,068.84, 294,051.60 and 122,456.42

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Solution

The fourth proportional to 213,068.84, 294,051.60 and 122,456.42 is: 168,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,068.84 : 294,051.60 = 122,456.42 : x
  2. Step 2: Convert to fraction form
    213,068.84/294,051.60 = 122,456.42/x
  3. Step 3: Cross multiply
    213,068.84x = 294,051.60 × 122,456.42
  4. Step 4: Simplify right side
    213,068.84x = 36,008,506,231.27
  5. Step 5: Solve for x
    x = 36,008,506,231.27/213,068.84
  6. Step 6: Final answer
    x = 168,999.40

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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.