Home / 142,056.62-196,031.96-77,524.22

Finding the Fourth Proportional to 142,056.62, 196,031.96 and 77,524.22

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Solution

The fourth proportional to 142,056.62, 196,031.96 and 77,524.22 is: 106,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,056.62 : 196,031.96 = 77,524.22 : x
  2. Step 2: Convert to fraction form
    142,056.62/196,031.96 = 77,524.22/x
  3. Step 3: Cross multiply
    142,056.62x = 196,031.96 × 77,524.22
  4. Step 4: Simplify right side
    142,056.62x = 15,197,224,794.07
  5. Step 5: Solve for x
    x = 15,197,224,794.07/142,056.62
  6. Step 6: Final answer
    x = 106,980.05

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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.