Home / 229,865.04-317,205.72-127,887.12

Finding the Fourth Proportional to 229,865.04, 317,205.72 and 127,887.12

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Solution

The fourth proportional to 229,865.04, 317,205.72 and 127,887.12 is: 176,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,865.04 : 317,205.72 = 127,887.12 : x
  2. Step 2: Convert to fraction form
    229,865.04/317,205.72 = 127,887.12/x
  3. Step 3: Cross multiply
    229,865.04x = 317,205.72 × 127,887.12
  4. Step 4: Simplify right side
    229,865.04x = 40,566,525,978.33
  5. Step 5: Solve for x
    x = 40,566,525,978.33/229,865.04
  6. Step 6: Final answer
    x = 176,479.76

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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.