Home / 207,923.88-286,880.59-121,836.74

Finding the Fourth Proportional to 207,923.88, 286,880.59 and 121,836.74

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Solution

The fourth proportional to 207,923.88, 286,880.59 and 121,836.74 is: 168,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,923.88 : 286,880.59 = 121,836.74 : x
  2. Step 2: Convert to fraction form
    207,923.88/286,880.59 = 121,836.74/x
  3. Step 3: Cross multiply
    207,923.88x = 286,880.59 × 121,836.74
  4. Step 4: Simplify right side
    207,923.88x = 34,952,594,572.77
  5. Step 5: Solve for x
    x = 34,952,594,572.77/207,923.88
  6. Step 6: Final answer
    x = 168,102.84

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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.