Home / 163,919.62-245,830.83-70,403.50

Finding the Fourth Proportional to 163,919.62, 245,830.83 and 70,403.50

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Solution

The fourth proportional to 163,919.62, 245,830.83 and 70,403.50 is: 105,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,919.62 : 245,830.83 = 70,403.50 : x
  2. Step 2: Convert to fraction form
    163,919.62/245,830.83 = 70,403.50/x
  3. Step 3: Cross multiply
    163,919.62x = 245,830.83 × 70,403.50
  4. Step 4: Simplify right side
    163,919.62x = 17,307,350,839.91
  5. Step 5: Solve for x
    x = 17,307,350,839.91/163,919.62
  6. Step 6: Final answer
    x = 105,584.38

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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.