Home / 109,036.20-163,554.30-73,606.80

Finding the Fourth Proportional to 109,036.20, 163,554.30 and 73,606.80

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Solution

The fourth proportional to 109,036.20, 163,554.30 and 73,606.80 is: 110,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036.20 : 163,554.30 = 73,606.80 : x
  2. Step 2: Convert to fraction form
    109,036.20/163,554.30 = 73,606.80/x
  3. Step 3: Cross multiply
    109,036.20x = 163,554.30 × 73,606.80
  4. Step 4: Simplify right side
    109,036.20x = 12,038,708,649.24
  5. Step 5: Solve for x
    x = 12,038,708,649.24/109,036.20
  6. Step 6: Final answer
    x = 110,410.20

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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.