Home / 369,628.06-554,501.90-144,866.60

Finding the Fourth Proportional to 369,628.06, 554,501.90 and 144,866.60

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Solution

The fourth proportional to 369,628.06, 554,501.90 and 144,866.60 is: 217,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,628.06 : 554,501.90 = 144,866.60 : x
  2. Step 2: Convert to fraction form
    369,628.06/554,501.90 = 144,866.60/x
  3. Step 3: Cross multiply
    369,628.06x = 554,501.90 × 144,866.60
  4. Step 4: Simplify right side
    369,628.06x = 80,328,804,946.54
  5. Step 5: Solve for x
    x = 80,328,804,946.54/369,628.06
  6. Step 6: Final answer
    x = 217,323.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.