Home / 219,623.82-302,854.59-187,897.74

Finding the Fourth Proportional to 219,623.82, 302,854.59 and 187,897.74

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Solution

The fourth proportional to 219,623.82, 302,854.59 and 187,897.74 is: 259,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.82 : 302,854.59 = 187,897.74 : x
  2. Step 2: Convert to fraction form
    219,623.82/302,854.59 = 187,897.74/x
  3. Step 3: Cross multiply
    219,623.82x = 302,854.59 × 187,897.74
  4. Step 4: Simplify right side
    219,623.82x = 56,905,693,009.63
  5. Step 5: Solve for x
    x = 56,905,693,009.63/219,623.82
  6. Step 6: Final answer
    x = 259,105.29

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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.