Home / 325,969.19-489,036.95-101,331.57

Finding the Fourth Proportional to 325,969.19, 489,036.95 and 101,331.57

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Solution

The fourth proportional to 325,969.19, 489,036.95 and 101,331.57 is: 152,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,969.19 : 489,036.95 = 101,331.57 : x
  2. Step 2: Convert to fraction form
    325,969.19/489,036.95 = 101,331.57/x
  3. Step 3: Cross multiply
    325,969.19x = 489,036.95 × 101,331.57
  4. Step 4: Simplify right side
    325,969.19x = 49,554,881,646.86
  5. Step 5: Solve for x
    x = 49,554,881,646.86/325,969.19
  6. Step 6: Final answer
    x = 152,023.21

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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.