Home / 287,590.24-396,709.56-179,973.40

Finding the Fourth Proportional to 287,590.24, 396,709.56 and 179,973.40

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Solution

The fourth proportional to 287,590.24, 396,709.56 and 179,973.40 is: 248,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,590.24 : 396,709.56 = 179,973.40 : x
  2. Step 2: Convert to fraction form
    287,590.24/396,709.56 = 179,973.40/x
  3. Step 3: Cross multiply
    287,590.24x = 396,709.56 × 179,973.40
  4. Step 4: Simplify right side
    287,590.24x = 71,397,168,325.70
  5. Step 5: Solve for x
    x = 71,397,168,325.70/287,590.24
  6. Step 6: Final answer
    x = 248,260.05

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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.