Home / 165,461.04-248,141.95-70,687.40

Finding the Fourth Proportional to 165,461.04, 248,141.95 and 70,687.40

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Solution

The fourth proportional to 165,461.04, 248,141.95 and 70,687.40 is: 106,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,461.04 : 248,141.95 = 70,687.40 : x
  2. Step 2: Convert to fraction form
    165,461.04/248,141.95 = 70,687.40/x
  3. Step 3: Cross multiply
    165,461.04x = 248,141.95 × 70,687.40
  4. Step 4: Simplify right side
    165,461.04x = 17,540,507,859.00
  5. Step 5: Solve for x
    x = 17,540,507,859.00/165,461.04
  6. Step 6: Final answer
    x = 106,009.90

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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.