Home / 191,564.32-264,339.84-106,689.28

Finding the Fourth Proportional to 191,564.32, 264,339.84 and 106,689.28

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Solution

The fourth proportional to 191,564.32, 264,339.84 and 106,689.28 is: 147,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,564.32 : 264,339.84 = 106,689.28 : x
  2. Step 2: Convert to fraction form
    191,564.32/264,339.84 = 106,689.28/x
  3. Step 3: Cross multiply
    191,564.32x = 264,339.84 × 106,689.28
  4. Step 4: Simplify right side
    191,564.32x = 28,202,227,204.92
  5. Step 5: Solve for x
    x = 28,202,227,204.92/191,564.32
  6. Step 6: Final answer
    x = 147,220.67

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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.