Home / 118,853.06-164,017.46-65,140.08

Finding the Fourth Proportional to 118,853.06, 164,017.46 and 65,140.08

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Solution

The fourth proportional to 118,853.06, 164,017.46 and 65,140.08 is: 89,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,853.06 : 164,017.46 = 65,140.08 : x
  2. Step 2: Convert to fraction form
    118,853.06/164,017.46 = 65,140.08/x
  3. Step 3: Cross multiply
    118,853.06x = 164,017.46 × 65,140.08
  4. Step 4: Simplify right side
    118,853.06x = 10,684,110,465.80
  5. Step 5: Solve for x
    x = 10,684,110,465.80/118,853.06
  6. Step 6: Final answer
    x = 89,893.44

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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.