Home / 153,533.36-211,891.66-85,561.40

Finding the Fourth Proportional to 153,533.36, 211,891.66 and 85,561.40

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Solution

The fourth proportional to 153,533.36, 211,891.66 and 85,561.40 is: 118,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,533.36 : 211,891.66 = 85,561.40 : x
  2. Step 2: Convert to fraction form
    153,533.36/211,891.66 = 85,561.40/x
  3. Step 3: Cross multiply
    153,533.36x = 211,891.66 × 85,561.40
  4. Step 4: Simplify right side
    153,533.36x = 18,129,747,077.92
  5. Step 5: Solve for x
    x = 18,129,747,077.92/153,533.36
  6. Step 6: Final answer
    x = 118,083.44

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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.