Home / 154,632.64-211,794.14-145,554.16

Finding the Fourth Proportional to 154,632.64, 211,794.14 and 145,554.16

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Solution

The fourth proportional to 154,632.64, 211,794.14 and 145,554.16 is: 199,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,632.64 : 211,794.14 = 145,554.16 : x
  2. Step 2: Convert to fraction form
    154,632.64/211,794.14 = 145,554.16/x
  3. Step 3: Cross multiply
    154,632.64x = 211,794.14 × 145,554.16
  4. Step 4: Simplify right side
    154,632.64x = 30,827,518,140.62
  5. Step 5: Solve for x
    x = 30,827,518,140.62/154,632.64
  6. Step 6: Final answer
    x = 199,359.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.