Home / 163,735.45-245,111.10-97,141.30

Finding the Fourth Proportional to 163,735.45, 245,111.10 and 97,141.30

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Solution

The fourth proportional to 163,735.45, 245,111.10 and 97,141.30 is: 145,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,735.45 : 245,111.10 = 97,141.30 : x
  2. Step 2: Convert to fraction form
    163,735.45/245,111.10 = 97,141.30/x
  3. Step 3: Cross multiply
    163,735.45x = 245,111.10 × 97,141.30
  4. Step 4: Simplify right side
    163,735.45x = 23,810,410,898.43
  5. Step 5: Solve for x
    x = 23,810,410,898.43/163,735.45
  6. Step 6: Final answer
    x = 145,420.01

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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.