Home / 141,890.61-195,605.51-111,623.32

Finding the Fourth Proportional to 141,890.61, 195,605.51 and 111,623.32

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Solution

The fourth proportional to 141,890.61, 195,605.51 and 111,623.32 is: 153,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,890.61 : 195,605.51 = 111,623.32 : x
  2. Step 2: Convert to fraction form
    141,890.61/195,605.51 = 111,623.32/x
  3. Step 3: Cross multiply
    141,890.61x = 195,605.51 × 111,623.32
  4. Step 4: Simplify right side
    141,890.61x = 21,834,136,436.49
  5. Step 5: Solve for x
    x = 21,834,136,436.49/141,890.61
  6. Step 6: Final answer
    x = 153,880.07

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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.