Home / 199,973.06-275,970.19-109,335.06

Finding the Fourth Proportional to 199,973.06, 275,970.19 and 109,335.06

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Solution

The fourth proportional to 199,973.06, 275,970.19 and 109,335.06 is: 150,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,973.06 : 275,970.19 = 109,335.06 : x
  2. Step 2: Convert to fraction form
    199,973.06/275,970.19 = 109,335.06/x
  3. Step 3: Cross multiply
    199,973.06x = 275,970.19 × 109,335.06
  4. Step 4: Simplify right side
    199,973.06x = 30,173,217,281.86
  5. Step 5: Solve for x
    x = 30,173,217,281.86/199,973.06
  6. Step 6: Final answer
    x = 150,886.41

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1.5x scale

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.