Home / 154,055.04-212,594.49-86,083.72

Finding the Fourth Proportional to 154,055.04, 212,594.49 and 86,083.72

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Solution

The fourth proportional to 154,055.04, 212,594.49 and 86,083.72 is: 118,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,055.04 : 212,594.49 = 86,083.72 : x
  2. Step 2: Convert to fraction form
    154,055.04/212,594.49 = 86,083.72/x
  3. Step 3: Cross multiply
    154,055.04x = 212,594.49 × 86,083.72
  4. Step 4: Simplify right side
    154,055.04x = 18,300,924,550.70
  5. Step 5: Solve for x
    x = 18,300,924,550.70/154,055.04
  6. Step 6: Final answer
    x = 118,794.71

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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.