Home / 219,192.94-302,486.70-122,396.32

Finding the Fourth Proportional to 219,192.94, 302,486.70 and 122,396.32

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Solution

The fourth proportional to 219,192.94, 302,486.70 and 122,396.32 is: 168,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,192.94 : 302,486.70 = 122,396.32 : x
  2. Step 2: Convert to fraction form
    219,192.94/302,486.70 = 122,396.32/x
  3. Step 3: Cross multiply
    219,192.94x = 302,486.70 × 122,396.32
  4. Step 4: Simplify right side
    219,192.94x = 37,023,258,928.94
  5. Step 5: Solve for x
    x = 37,023,258,928.94/219,192.94
  6. Step 6: Final answer
    x = 168,907.17

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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.