Home / 147,071.08-203,002.45-127,142.04

Finding the Fourth Proportional to 147,071.08, 203,002.45 and 127,142.04

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Solution

The fourth proportional to 147,071.08, 203,002.45 and 127,142.04 is: 175,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,071.08 : 203,002.45 = 127,142.04 : x
  2. Step 2: Convert to fraction form
    147,071.08/203,002.45 = 127,142.04/x
  3. Step 3: Cross multiply
    147,071.08x = 203,002.45 × 127,142.04
  4. Step 4: Simplify right side
    147,071.08x = 25,810,145,634.69
  5. Step 5: Solve for x
    x = 25,810,145,634.69/147,071.08
  6. Step 6: Final answer
    x = 175,494.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.