Home / 116,650.08-160,935-76,386.80

Finding the Fourth Proportional to 116,650.08, 160,935 and 76,386.80

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Solution

The fourth proportional to 116,650.08, 160,935 and 76,386.80 is: 105,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,650.08 : 160,935 = 76,386.80 : x
  2. Step 2: Convert to fraction form
    116,650.08/160,935 = 76,386.80/x
  3. Step 3: Cross multiply
    116,650.08x = 160,935 × 76,386.80
  4. Step 4: Simplify right side
    116,650.08x = 12,293,309,658
  5. Step 5: Solve for x
    x = 12,293,309,658/116,650.08
  6. Step 6: Final answer
    x = 105,386.21

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1.5x scale

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.