Home / 154,902.07-231,303.88-122,953.69

Finding the Fourth Proportional to 154,902.07, 231,303.88 and 122,953.69

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Solution

The fourth proportional to 154,902.07, 231,303.88 and 122,953.69 is: 183,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,902.07 : 231,303.88 = 122,953.69 : x
  2. Step 2: Convert to fraction form
    154,902.07/231,303.88 = 122,953.69/x
  3. Step 3: Cross multiply
    154,902.07x = 231,303.88 × 122,953.69
  4. Step 4: Simplify right side
    154,902.07x = 28,439,665,557.32
  5. Step 5: Solve for x
    x = 28,439,665,557.32/154,902.07
  6. Step 6: Final answer
    x = 183,597.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.