Home / 197,683.34-272,803.18-107,039.36

Finding the Fourth Proportional to 197,683.34, 272,803.18 and 107,039.36

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Solution

The fourth proportional to 197,683.34, 272,803.18 and 107,039.36 is: 147,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,683.34 : 272,803.18 = 107,039.36 : x
  2. Step 2: Convert to fraction form
    197,683.34/272,803.18 = 107,039.36/x
  3. Step 3: Cross multiply
    197,683.34x = 272,803.18 × 107,039.36
  4. Step 4: Simplify right side
    197,683.34x = 29,200,676,161.55
  5. Step 5: Solve for x
    x = 29,200,676,161.55/197,683.34
  6. Step 6: Final answer
    x = 147,714.40

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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.