Home / 191,905.32-264,729-111,303.48

Finding the Fourth Proportional to 191,905.32, 264,729 and 111,303.48

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Solution

The fourth proportional to 191,905.32, 264,729 and 111,303.48 is: 153,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,905.32 : 264,729 = 111,303.48 : x
  2. Step 2: Convert to fraction form
    191,905.32/264,729 = 111,303.48/x
  3. Step 3: Cross multiply
    191,905.32x = 264,729 × 111,303.48
  4. Step 4: Simplify right side
    191,905.32x = 29,465,258,956.92
  5. Step 5: Solve for x
    x = 29,465,258,956.92/191,905.32
  6. Step 6: Final answer
    x = 153,540.61

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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.