Home / 260,987.41-360,156.49-153,564.40

Finding the Fourth Proportional to 260,987.41, 360,156.49 and 153,564.40

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Solution

The fourth proportional to 260,987.41, 360,156.49 and 153,564.40 is: 211,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,987.41 : 360,156.49 = 153,564.40 : x
  2. Step 2: Convert to fraction form
    260,987.41/360,156.49 = 153,564.40/x
  3. Step 3: Cross multiply
    260,987.41x = 360,156.49 × 153,564.40
  4. Step 4: Simplify right side
    260,987.41x = 55,307,215,292.96
  5. Step 5: Solve for x
    x = 55,307,215,292.96/260,987.41
  6. Step 6: Final answer
    x = 211,915.26

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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.