Home / 109,150.20-163,829.70-56,597.40

Finding the Fourth Proportional to 109,150.20, 163,829.70 and 56,597.40

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Solution

The fourth proportional to 109,150.20, 163,829.70 and 56,597.40 is: 84,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,150.20 : 163,829.70 = 56,597.40 : x
  2. Step 2: Convert to fraction form
    109,150.20/163,829.70 = 56,597.40/x
  3. Step 3: Cross multiply
    109,150.20x = 163,829.70 × 56,597.40
  4. Step 4: Simplify right side
    109,150.20x = 9,272,335,062.78
  5. Step 5: Solve for x
    x = 9,272,335,062.78/109,150.20
  6. Step 6: Final answer
    x = 84,950.23

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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.