Home / 118,716.04-163,823.07-65,000.08

Finding the Fourth Proportional to 118,716.04, 163,823.07 and 65,000.08

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Solution

The fourth proportional to 118,716.04, 163,823.07 and 65,000.08 is: 89,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,716.04 : 163,823.07 = 65,000.08 : x
  2. Step 2: Convert to fraction form
    118,716.04/163,823.07 = 65,000.08/x
  3. Step 3: Cross multiply
    118,716.04x = 163,823.07 × 65,000.08
  4. Step 4: Simplify right side
    118,716.04x = 10,648,512,655.85
  5. Step 5: Solve for x
    x = 10,648,512,655.85/118,716.04
  6. Step 6: Final answer
    x = 89,697.34

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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.