Home / 192,802.84-266,078.10-121,156.36

Finding the Fourth Proportional to 192,802.84, 266,078.10 and 121,156.36

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Solution

The fourth proportional to 192,802.84, 266,078.10 and 121,156.36 is: 167,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,802.84 : 266,078.10 = 121,156.36 : x
  2. Step 2: Convert to fraction form
    192,802.84/266,078.10 = 121,156.36/x
  3. Step 3: Cross multiply
    192,802.84x = 266,078.10 × 121,156.36
  4. Step 4: Simplify right side
    192,802.84x = 32,237,054,071.72
  5. Step 5: Solve for x
    x = 32,237,054,071.72/192,802.84
  6. Step 6: Final answer
    x = 167,202.17

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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.