Home / 489,033.06-733,543.65-134,046.78

Finding the Fourth Proportional to 489,033.06, 733,543.65 and 134,046.78

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Solution

The fourth proportional to 489,033.06, 733,543.65 and 134,046.78 is: 201,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,033.06 : 733,543.65 = 134,046.78 : x
  2. Step 2: Convert to fraction form
    489,033.06/733,543.65 = 134,046.78/x
  3. Step 3: Cross multiply
    489,033.06x = 733,543.65 × 134,046.78
  4. Step 4: Simplify right side
    489,033.06x = 98,329,164,271.95
  5. Step 5: Solve for x
    x = 98,329,164,271.95/489,033.06
  6. Step 6: Final answer
    x = 201,068.54

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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.