Home / 118,630.03-163,704.55-70,909.69

Finding the Fourth Proportional to 118,630.03, 163,704.55 and 70,909.69

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Solution

The fourth proportional to 118,630.03, 163,704.55 and 70,909.69 is: 97,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,630.03 : 163,704.55 = 70,909.69 : x
  2. Step 2: Convert to fraction form
    118,630.03/163,704.55 = 70,909.69/x
  3. Step 3: Cross multiply
    118,630.03x = 163,704.55 × 70,909.69
  4. Step 4: Simplify right side
    118,630.03x = 11,608,238,892.09
  5. Step 5: Solve for x
    x = 11,608,238,892.09/118,630.03
  6. Step 6: Final answer
    x = 97,852.45

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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.