Home / 236,261.90-353,809.65-156,946.70

Finding the Fourth Proportional to 236,261.90, 353,809.65 and 156,946.70

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Solution

The fourth proportional to 236,261.90, 353,809.65 and 156,946.70 is: 235,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,261.90 : 353,809.65 = 156,946.70 : x
  2. Step 2: Convert to fraction form
    236,261.90/353,809.65 = 156,946.70/x
  3. Step 3: Cross multiply
    236,261.90x = 353,809.65 × 156,946.70
  4. Step 4: Simplify right side
    236,261.90x = 55,529,256,995.66
  5. Step 5: Solve for x
    x = 55,529,256,995.66/236,261.90
  6. Step 6: Final answer
    x = 235,032.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.