Home / 261,291.07-360,647.00-160,630.75

Finding the Fourth Proportional to 261,291.07, 360,647.00 and 160,630.75

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Solution

The fourth proportional to 261,291.07, 360,647.00 and 160,630.75 is: 221,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,291.07 : 360,647.00 = 160,630.75 : x
  2. Step 2: Convert to fraction form
    261,291.07/360,647.00 = 160,630.75/x
  3. Step 3: Cross multiply
    261,291.07x = 360,647.00 × 160,630.75
  4. Step 4: Simplify right side
    261,291.07x = 57,930,997,292.10
  5. Step 5: Solve for x
    x = 57,930,997,292.10/261,291.07
  6. Step 6: Final answer
    x = 221,710.59

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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.