Home / 152,965.04-211,094.52-85,899.44

Finding the Fourth Proportional to 152,965.04, 211,094.52 and 85,899.44

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Solution

The fourth proportional to 152,965.04, 211,094.52 and 85,899.44 is: 118,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,965.04 : 211,094.52 = 85,899.44 : x
  2. Step 2: Convert to fraction form
    152,965.04/211,094.52 = 85,899.44/x
  3. Step 3: Cross multiply
    152,965.04x = 211,094.52 × 85,899.44
  4. Step 4: Simplify right side
    152,965.04x = 18,132,901,055.07
  5. Step 5: Solve for x
    x = 18,132,901,055.07/152,965.04
  6. Step 6: Final answer
    x = 118,542.78

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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.