Home / 154,047.10-212,582.59-86,065.01

Finding the Fourth Proportional to 154,047.10, 212,582.59 and 86,065.01

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Solution

The fourth proportional to 154,047.10, 212,582.59 and 86,065.01 is: 118,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,047.10 : 212,582.59 = 86,065.01 : x
  2. Step 2: Convert to fraction form
    154,047.10/212,582.59 = 86,065.01/x
  3. Step 3: Cross multiply
    154,047.10x = 212,582.59 × 86,065.01
  4. Step 4: Simplify right side
    154,047.10x = 18,295,922,734.18
  5. Step 5: Solve for x
    x = 18,295,922,734.18/154,047.10
  6. Step 6: Final answer
    x = 118,768.37

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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.