Home / 122,721.30-183,952.35-70,017.30

Finding the Fourth Proportional to 122,721.30, 183,952.35 and 70,017.30

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Solution

The fourth proportional to 122,721.30, 183,952.35 and 70,017.30 is: 104,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,721.30 : 183,952.35 = 70,017.30 : x
  2. Step 2: Convert to fraction form
    122,721.30/183,952.35 = 70,017.30/x
  3. Step 3: Cross multiply
    122,721.30x = 183,952.35 × 70,017.30
  4. Step 4: Simplify right side
    122,721.30x = 12,879,846,875.66
  5. Step 5: Solve for x
    x = 12,879,846,875.66/122,721.30
  6. Step 6: Final answer
    x = 104,952.01

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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.