Home / 118,812.74-178,497.80-112,087.58

Finding the Fourth Proportional to 118,812.74, 178,497.80 and 112,087.58

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Solution

The fourth proportional to 118,812.74, 178,497.80 and 112,087.58 is: 168,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,812.74 : 178,497.80 = 112,087.58 : x
  2. Step 2: Convert to fraction form
    118,812.74/178,497.80 = 112,087.58/x
  3. Step 3: Cross multiply
    118,812.74x = 178,497.80 × 112,087.58
  4. Step 4: Simplify right side
    118,812.74x = 20,007,386,437.32
  5. Step 5: Solve for x
    x = 20,007,386,437.32/118,812.74
  6. Step 6: Final answer
    x = 168,394.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.