Home / 116,487.27-160,419.69-104,903.55

Finding the Fourth Proportional to 116,487.27, 160,419.69 and 104,903.55

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Solution

The fourth proportional to 116,487.27, 160,419.69 and 104,903.55 is: 144,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,487.27 : 160,419.69 = 104,903.55 : x
  2. Step 2: Convert to fraction form
    116,487.27/160,419.69 = 104,903.55/x
  3. Step 3: Cross multiply
    116,487.27x = 160,419.69 × 104,903.55
  4. Step 4: Simplify right side
    116,487.27x = 16,828,594,970.90
  5. Step 5: Solve for x
    x = 16,828,594,970.90/116,487.27
  6. Step 6: Final answer
    x = 144,467.24

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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.