Home / 118,424.12-163,534.41-76,056.48

Finding the Fourth Proportional to 118,424.12, 163,534.41 and 76,056.48

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Solution

The fourth proportional to 118,424.12, 163,534.41 and 76,056.48 is: 105,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,424.12 : 163,534.41 = 76,056.48 : x
  2. Step 2: Convert to fraction form
    118,424.12/163,534.41 = 76,056.48/x
  3. Step 3: Cross multiply
    118,424.12x = 163,534.41 × 76,056.48
  4. Step 4: Simplify right side
    118,424.12x = 12,437,851,583.48
  5. Step 5: Solve for x
    x = 12,437,851,583.48/118,424.12
  6. Step 6: Final answer
    x = 105,028.03

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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.