Home / 140,810.08-211,218.36-47,316.64

Finding the Fourth Proportional to 140,810.08, 211,218.36 and 47,316.64

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Solution

The fourth proportional to 140,810.08, 211,218.36 and 47,316.64 is: 70,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,810.08 : 211,218.36 = 47,316.64 : x
  2. Step 2: Convert to fraction form
    140,810.08/211,218.36 = 47,316.64/x
  3. Step 3: Cross multiply
    140,810.08x = 211,218.36 × 47,316.64
  4. Step 4: Simplify right side
    140,810.08x = 9,994,143,101.51
  5. Step 5: Solve for x
    x = 9,994,143,101.51/140,810.08
  6. Step 6: Final answer
    x = 70,976.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.