Home / 163,860.12-245,788.56-75,088.44

Finding the Fourth Proportional to 163,860.12, 245,788.56 and 75,088.44

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Solution

The fourth proportional to 163,860.12, 245,788.56 and 75,088.44 is: 112,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,860.12 : 245,788.56 = 75,088.44 : x
  2. Step 2: Convert to fraction form
    163,860.12/245,788.56 = 75,088.44/x
  3. Step 3: Cross multiply
    163,860.12x = 245,788.56 × 75,088.44
  4. Step 4: Simplify right side
    163,860.12x = 18,455,879,540.25
  5. Step 5: Solve for x
    x = 18,455,879,540.25/163,860.12
  6. Step 6: Final answer
    x = 112,631.92

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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.