Home / 229,928.49-317,307.38-127,960.83

Finding the Fourth Proportional to 229,928.49, 317,307.38 and 127,960.83

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Solution

The fourth proportional to 229,928.49, 317,307.38 and 127,960.83 is: 176,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,928.49 : 317,307.38 = 127,960.83 : x
  2. Step 2: Convert to fraction form
    229,928.49/317,307.38 = 127,960.83/x
  3. Step 3: Cross multiply
    229,928.49x = 317,307.38 × 127,960.83
  4. Step 4: Simplify right side
    229,928.49x = 40,602,915,070.12
  5. Step 5: Solve for x
    x = 40,602,915,070.12/229,928.49
  6. Step 6: Final answer
    x = 176,589.32

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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.