Home / 196,173.17-294,055.63-90,905.57

Finding the Fourth Proportional to 196,173.17, 294,055.63 and 90,905.57

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Solution

The fourth proportional to 196,173.17, 294,055.63 and 90,905.57 is: 136,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,173.17 : 294,055.63 = 90,905.57 : x
  2. Step 2: Convert to fraction form
    196,173.17/294,055.63 = 90,905.57/x
  3. Step 3: Cross multiply
    196,173.17x = 294,055.63 × 90,905.57
  4. Step 4: Simplify right side
    196,173.17x = 26,731,294,656.86
  5. Step 5: Solve for x
    x = 26,731,294,656.86/196,173.17
  6. Step 6: Final answer
    x = 136,263.76

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1.5x scale

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.