Home / 260,763.36-359,909.04-153,394.64

Finding the Fourth Proportional to 260,763.36, 359,909.04 and 153,394.64

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Solution

The fourth proportional to 260,763.36, 359,909.04 and 153,394.64 is: 211,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,763.36 : 359,909.04 = 153,394.64 : x
  2. Step 2: Convert to fraction form
    260,763.36/359,909.04 = 153,394.64/x
  3. Step 3: Cross multiply
    260,763.36x = 359,909.04 × 153,394.64
  4. Step 4: Simplify right side
    260,763.36x = 55,208,117,989.57
  5. Step 5: Solve for x
    x = 55,208,117,989.57/260,763.36
  6. Step 6: Final answer
    x = 211,717.32

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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.