Home / 219,302.40-302,623.09-127,413.54

Finding the Fourth Proportional to 219,302.40, 302,623.09 and 127,413.54

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Solution

The fourth proportional to 219,302.40, 302,623.09 and 127,413.54 is: 175,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,302.40 : 302,623.09 = 127,413.54 : x
  2. Step 2: Convert to fraction form
    219,302.40/302,623.09 = 127,413.54/x
  3. Step 3: Cross multiply
    219,302.40x = 302,623.09 × 127,413.54
  4. Step 4: Simplify right side
    219,302.40x = 38,558,278,864.10
  5. Step 5: Solve for x
    x = 38,558,278,864.10/219,302.40
  6. Step 6: Final answer
    x = 175,822.42

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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.