Home / 118,803.02-163,944.38-65,087.58

Finding the Fourth Proportional to 118,803.02, 163,944.38 and 65,087.58

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Solution

The fourth proportional to 118,803.02, 163,944.38 and 65,087.58 is: 89,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,803.02 : 163,944.38 = 65,087.58 : x
  2. Step 2: Convert to fraction form
    118,803.02/163,944.38 = 65,087.58/x
  3. Step 3: Cross multiply
    118,803.02x = 163,944.38 × 65,087.58
  4. Step 4: Simplify right side
    118,803.02x = 10,670,742,948.80
  5. Step 5: Solve for x
    x = 10,670,742,948.80/118,803.02
  6. Step 6: Final answer
    x = 89,818.79

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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.