Home / 197,700.15-272,827.51-107,056.12

Finding the Fourth Proportional to 197,700.15, 272,827.51 and 107,056.12

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Solution

The fourth proportional to 197,700.15, 272,827.51 and 107,056.12 is: 147,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,700.15 : 272,827.51 = 107,056.12 : x
  2. Step 2: Convert to fraction form
    197,700.15/272,827.51 = 107,056.12/x
  3. Step 3: Cross multiply
    197,700.15x = 272,827.51 × 107,056.12
  4. Step 4: Simplify right side
    197,700.15x = 29,207,854,649.86
  5. Step 5: Solve for x
    x = 29,207,854,649.86/197,700.15
  6. Step 6: Final answer
    x = 147,738.15

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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.