Home / 194,857.40-292,199.70-89,622.20

Finding the Fourth Proportional to 194,857.40, 292,199.70 and 89,622.20

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Solution

The fourth proportional to 194,857.40, 292,199.70 and 89,622.20 is: 134,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,857.40 : 292,199.70 = 89,622.20 : x
  2. Step 2: Convert to fraction form
    194,857.40/292,199.70 = 89,622.20/x
  3. Step 3: Cross multiply
    194,857.40x = 292,199.70 × 89,622.20
  4. Step 4: Simplify right side
    194,857.40x = 26,187,579,953.34
  5. Step 5: Solve for x
    x = 26,187,579,953.34/194,857.40
  6. Step 6: Final answer
    x = 134,393.56

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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.