Home / 261,596.07-361,014.53-154,170.63

Finding the Fourth Proportional to 261,596.07, 361,014.53 and 154,170.63

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Solution

The fourth proportional to 261,596.07, 361,014.53 and 154,170.63 is: 212,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,596.07 : 361,014.53 = 154,170.63 : x
  2. Step 2: Convert to fraction form
    261,596.07/361,014.53 = 154,170.63/x
  3. Step 3: Cross multiply
    261,596.07x = 361,014.53 × 154,170.63
  4. Step 4: Simplify right side
    261,596.07x = 55,657,836,758.40
  5. Step 5: Solve for x
    x = 55,657,836,758.40/261,596.07
  6. Step 6: Final answer
    x = 212,762.51

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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.