Home / 163,986.30-245,979.45-111,498.30

Finding the Fourth Proportional to 163,986.30, 245,979.45 and 111,498.30

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Solution

The fourth proportional to 163,986.30, 245,979.45 and 111,498.30 is: 167,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,986.30 : 245,979.45 = 111,498.30 : x
  2. Step 2: Convert to fraction form
    163,986.30/245,979.45 = 111,498.30/x
  3. Step 3: Cross multiply
    163,986.30x = 245,979.45 × 111,498.30
  4. Step 4: Simplify right side
    163,986.30x = 27,426,290,509.94
  5. Step 5: Solve for x
    x = 27,426,290,509.94/163,986.30
  6. Step 6: Final answer
    x = 167,247.45

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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.