Home / 109,148.16-163,800-46,836.48

Finding the Fourth Proportional to 109,148.16, 163,800 and 46,836.48

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Solution

The fourth proportional to 109,148.16, 163,800 and 46,836.48 is: 70,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,148.16 : 163,800 = 46,836.48 : x
  2. Step 2: Convert to fraction form
    109,148.16/163,800 = 46,836.48/x
  3. Step 3: Cross multiply
    109,148.16x = 163,800 × 46,836.48
  4. Step 4: Simplify right side
    109,148.16x = 7,671,815,424.00
  5. Step 5: Solve for x
    x = 7,671,815,424.00/109,148.16
  6. Step 6: Final answer
    x = 70,288.09

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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.