Home / 165,740.60-248,643.30-70,970.60

Finding the Fourth Proportional to 165,740.60, 248,643.30 and 70,970.60

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Solution

The fourth proportional to 165,740.60, 248,643.30 and 70,970.60 is: 106,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,740.60 : 248,643.30 = 70,970.60 : x
  2. Step 2: Convert to fraction form
    165,740.60/248,643.30 = 70,970.60/x
  3. Step 3: Cross multiply
    165,740.60x = 248,643.30 × 70,970.60
  4. Step 4: Simplify right side
    165,740.60x = 17,646,364,186.98
  5. Step 5: Solve for x
    x = 17,646,364,186.98/165,740.60
  6. Step 6: Final answer
    x = 106,469.77

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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.