Home / 163,623.40-245,435.10-134,074.60

Finding the Fourth Proportional to 163,623.40, 245,435.10 and 134,074.60

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Solution

The fourth proportional to 163,623.40, 245,435.10 and 134,074.60 is: 201,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,623.40 : 245,435.10 = 134,074.60 : x
  2. Step 2: Convert to fraction form
    163,623.40/245,435.10 = 134,074.60/x
  3. Step 3: Cross multiply
    163,623.40x = 245,435.10 × 134,074.60
  4. Step 4: Simplify right side
    163,623.40x = 32,906,612,858.46
  5. Step 5: Solve for x
    x = 32,906,612,858.46/163,623.40
  6. Step 6: Final answer
    x = 201,111.90

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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.