Home / 154,264.37-212,880.58-86,281.48

Finding the Fourth Proportional to 154,264.37, 212,880.58 and 86,281.48

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Solution

The fourth proportional to 154,264.37, 212,880.58 and 86,281.48 is: 119,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,264.37 : 212,880.58 = 86,281.48 : x
  2. Step 2: Convert to fraction form
    154,264.37/212,880.58 = 86,281.48/x
  3. Step 3: Cross multiply
    154,264.37x = 212,880.58 × 86,281.48
  4. Step 4: Simplify right side
    154,264.37x = 18,367,650,757.75
  5. Step 5: Solve for x
    x = 18,367,650,757.75/154,264.37
  6. Step 6: Final answer
    x = 119,066.06

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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.