Home / 116,274.48-160,434.65-76,047.36

Finding the Fourth Proportional to 116,274.48, 160,434.65 and 76,047.36

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Solution

The fourth proportional to 116,274.48, 160,434.65 and 76,047.36 is: 104,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,274.48 : 160,434.65 = 76,047.36 : x
  2. Step 2: Convert to fraction form
    116,274.48/160,434.65 = 76,047.36/x
  3. Step 3: Cross multiply
    116,274.48x = 160,434.65 × 76,047.36
  4. Step 4: Simplify right side
    116,274.48x = 12,200,631,775.14
  5. Step 5: Solve for x
    x = 12,200,631,775.14/116,274.48
  6. Step 6: Final answer
    x = 104,929.58

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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.