Home / 326,355.16-489,673.02-176,702.36

Finding the Fourth Proportional to 326,355.16, 489,673.02 and 176,702.36

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Solution

The fourth proportional to 326,355.16, 489,673.02 and 176,702.36 is: 265,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,355.16 : 489,673.02 = 176,702.36 : x
  2. Step 2: Convert to fraction form
    326,355.16/489,673.02 = 176,702.36/x
  3. Step 3: Cross multiply
    326,355.16x = 489,673.02 × 176,702.36
  4. Step 4: Simplify right side
    326,355.16x = 86,526,378,262.33
  5. Step 5: Solve for x
    x = 86,526,378,262.33/326,355.16
  6. Step 6: Final answer
    x = 265,129.49

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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.