Home / 131,155.46-196,712.18-46,899.89

Finding the Fourth Proportional to 131,155.46, 196,712.18 and 46,899.89

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Solution

The fourth proportional to 131,155.46, 196,712.18 and 46,899.89 is: 70,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,155.46 : 196,712.18 = 46,899.89 : x
  2. Step 2: Convert to fraction form
    131,155.46/196,712.18 = 46,899.89/x
  3. Step 3: Cross multiply
    131,155.46x = 196,712.18 × 46,899.89
  4. Step 4: Simplify right side
    131,155.46x = 9,225,779,369.16
  5. Step 5: Solve for x
    x = 9,225,779,369.16/131,155.46
  6. Step 6: Final answer
    x = 70,342.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.