Home / 154,065.48-212,608.89-86,094.16

Finding the Fourth Proportional to 154,065.48, 212,608.89 and 86,094.16

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Solution

The fourth proportional to 154,065.48, 212,608.89 and 86,094.16 is: 118,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,065.48 : 212,608.89 = 86,094.16 : x
  2. Step 2: Convert to fraction form
    154,065.48/212,608.89 = 86,094.16/x
  3. Step 3: Cross multiply
    154,065.48x = 212,608.89 × 86,094.16
  4. Step 4: Simplify right side
    154,065.48x = 18,304,383,793.08
  5. Step 5: Solve for x
    x = 18,304,383,793.08/154,065.48
  6. Step 6: Final answer
    x = 118,809.12

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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.