Home / 109,301.60-163,952.40-35,429.60

Finding the Fourth Proportional to 109,301.60, 163,952.40 and 35,429.60

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Solution

The fourth proportional to 109,301.60, 163,952.40 and 35,429.60 is: 53,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,301.60 : 163,952.40 = 35,429.60 : x
  2. Step 2: Convert to fraction form
    109,301.60/163,952.40 = 35,429.60/x
  3. Step 3: Cross multiply
    109,301.60x = 163,952.40 × 35,429.60
  4. Step 4: Simplify right side
    109,301.60x = 5,808,767,951.04
  5. Step 5: Solve for x
    x = 5,808,767,951.04/109,301.60
  6. Step 6: Final answer
    x = 53,144.40

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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.