Home / 109,215.93-163,823.73-34,342.60

Finding the Fourth Proportional to 109,215.93, 163,823.73 and 34,342.60

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Solution

The fourth proportional to 109,215.93, 163,823.73 and 34,342.60 is: 51,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,215.93 : 163,823.73 = 34,342.60 : x
  2. Step 2: Convert to fraction form
    109,215.93/163,823.73 = 34,342.60/x
  3. Step 3: Cross multiply
    109,215.93x = 163,823.73 × 34,342.60
  4. Step 4: Simplify right side
    109,215.93x = 5,626,132,829.90
  5. Step 5: Solve for x
    x = 5,626,132,829.90/109,215.93
  6. Step 6: Final answer
    x = 51,513.85

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1.5x scale

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.