Home / 165,740.10-248,642.55-70,970.10

Finding the Fourth Proportional to 165,740.10, 248,642.55 and 70,970.10

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Solution

The fourth proportional to 165,740.10, 248,642.55 and 70,970.10 is: 106,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,740.10 : 248,642.55 = 70,970.10 : x
  2. Step 2: Convert to fraction form
    165,740.10/248,642.55 = 70,970.10/x
  3. Step 3: Cross multiply
    165,740.10x = 248,642.55 × 70,970.10
  4. Step 4: Simplify right side
    165,740.10x = 17,646,186,637.76
  5. Step 5: Solve for x
    x = 17,646,186,637.76/165,740.10
  6. Step 6: Final answer
    x = 106,469.02

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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.