Home / 130,476.96-195,790.77-70,505.64

Finding the Fourth Proportional to 130,476.96, 195,790.77 and 70,505.64

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Solution

The fourth proportional to 130,476.96, 195,790.77 and 70,505.64 is: 105,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,476.96 : 195,790.77 = 70,505.64 : x
  2. Step 2: Convert to fraction form
    130,476.96/195,790.77 = 70,505.64/x
  3. Step 3: Cross multiply
    130,476.96x = 195,790.77 × 70,505.64
  4. Step 4: Simplify right side
    130,476.96x = 13,804,353,544.94
  5. Step 5: Solve for x
    x = 13,804,353,544.94/130,476.96
  6. Step 6: Final answer
    x = 105,799.17

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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.