Home / 154,048.41-212,586.84-86,065.20

Finding the Fourth Proportional to 154,048.41, 212,586.84 and 86,065.20

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Solution

The fourth proportional to 154,048.41, 212,586.84 and 86,065.20 is: 118,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,048.41 : 212,586.84 = 86,065.20 : x
  2. Step 2: Convert to fraction form
    154,048.41/212,586.84 = 86,065.20/x
  3. Step 3: Cross multiply
    154,048.41x = 212,586.84 × 86,065.20
  4. Step 4: Simplify right side
    154,048.41x = 18,296,328,901.97
  5. Step 5: Solve for x
    x = 18,296,328,901.97/154,048.41
  6. Step 6: Final answer
    x = 118,770.00

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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.