Home / 197,740.15-272,898.21-111,714.93

Finding the Fourth Proportional to 197,740.15, 272,898.21 and 111,714.93

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Solution

The fourth proportional to 197,740.15, 272,898.21 and 111,714.93 is: 154,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,740.15 : 272,898.21 = 111,714.93 : x
  2. Step 2: Convert to fraction form
    197,740.15/272,898.21 = 111,714.93/x
  3. Step 3: Cross multiply
    197,740.15x = 272,898.21 × 111,714.93
  4. Step 4: Simplify right side
    197,740.15x = 30,486,804,427.28
  5. Step 5: Solve for x
    x = 30,486,804,427.28/197,740.15
  6. Step 6: Final answer
    x = 154,176.10

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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.