Home / 178,346.51-245,902.97-154,103.66

Finding the Fourth Proportional to 178,346.51, 245,902.97 and 154,103.66

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Solution

The fourth proportional to 178,346.51, 245,902.97 and 154,103.66 is: 212,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,346.51 : 245,902.97 = 154,103.66 : x
  2. Step 2: Convert to fraction form
    178,346.51/245,902.97 = 154,103.66/x
  3. Step 3: Cross multiply
    178,346.51x = 245,902.97 × 154,103.66
  4. Step 4: Simplify right side
    178,346.51x = 37,894,547,681.87
  5. Step 5: Solve for x
    x = 37,894,547,681.87/178,346.51
  6. Step 6: Final answer
    x = 212,477.09

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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.