Home / 109,904.40-164,784.60-43,304.40

Finding the Fourth Proportional to 109,904.40, 164,784.60 and 43,304.40

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Solution

The fourth proportional to 109,904.40, 164,784.60 and 43,304.40 is: 64,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,904.40 : 164,784.60 = 43,304.40 : x
  2. Step 2: Convert to fraction form
    109,904.40/164,784.60 = 43,304.40/x
  3. Step 3: Cross multiply
    109,904.40x = 164,784.60 × 43,304.40
  4. Step 4: Simplify right side
    109,904.40x = 7,135,898,232.24
  5. Step 5: Solve for x
    x = 7,135,898,232.24/109,904.40
  6. Step 6: Final answer
    x = 64,928.23

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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.