Home / 196,011.40-293,714.70-145,856.20

Finding the Fourth Proportional to 196,011.40, 293,714.70 and 145,856.20

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Solution

The fourth proportional to 196,011.40, 293,714.70 and 145,856.20 is: 218,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,011.40 : 293,714.70 = 145,856.20 : x
  2. Step 2: Convert to fraction form
    196,011.40/293,714.70 = 145,856.20/x
  3. Step 3: Cross multiply
    196,011.40x = 293,714.70 × 145,856.20
  4. Step 4: Simplify right side
    196,011.40x = 42,840,110,026.14
  5. Step 5: Solve for x
    x = 42,840,110,026.14/196,011.40
  6. Step 6: Final answer
    x = 218,559.28

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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.