Home / 109,335.70-164,002.88-28,282.72

Finding the Fourth Proportional to 109,335.70, 164,002.88 and 28,282.72

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Solution

The fourth proportional to 109,335.70, 164,002.88 and 28,282.72 is: 42,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,335.70 : 164,002.88 = 28,282.72 : x
  2. Step 2: Convert to fraction form
    109,335.70/164,002.88 = 28,282.72/x
  3. Step 3: Cross multiply
    109,335.70x = 164,002.88 × 28,282.72
  4. Step 4: Simplify right side
    109,335.70x = 4,638,447,534.23
  5. Step 5: Solve for x
    x = 4,638,447,534.23/109,335.70
  6. Step 6: Final answer
    x = 42,423.91

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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.