Home / 118,563.03-163,596.38-70,813.53

Finding the Fourth Proportional to 118,563.03, 163,596.38 and 70,813.53

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Solution

The fourth proportional to 118,563.03, 163,596.38 and 70,813.53 is: 97,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,563.03 : 163,596.38 = 70,813.53 : x
  2. Step 2: Convert to fraction form
    118,563.03/163,596.38 = 70,813.53/x
  3. Step 3: Cross multiply
    118,563.03x = 163,596.38 × 70,813.53
  4. Step 4: Simplify right side
    118,563.03x = 11,584,836,808.95
  5. Step 5: Solve for x
    x = 11,584,836,808.95/118,563.03
  6. Step 6: Final answer
    x = 97,710.36

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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.