Home / 163,826.80-245,740.20-53,018.80

Finding the Fourth Proportional to 163,826.80, 245,740.20 and 53,018.80

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Solution

The fourth proportional to 163,826.80, 245,740.20 and 53,018.80 is: 79,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,826.80 : 245,740.20 = 53,018.80 : x
  2. Step 2: Convert to fraction form
    163,826.80/245,740.20 = 53,018.80/x
  3. Step 3: Cross multiply
    163,826.80x = 245,740.20 × 53,018.80
  4. Step 4: Simplify right side
    163,826.80x = 13,028,850,515.76
  5. Step 5: Solve for x
    x = 13,028,850,515.76/163,826.80
  6. Step 6: Final answer
    x = 79,528.20

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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.