Home / 211,018.36-316,574.94-70,773.40

Finding the Fourth Proportional to 211,018.36, 316,574.94 and 70,773.40

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Solution

The fourth proportional to 211,018.36, 316,574.94 and 70,773.40 is: 106,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,018.36 : 316,574.94 = 70,773.40 : x
  2. Step 2: Convert to fraction form
    211,018.36/316,574.94 = 70,773.40/x
  3. Step 3: Cross multiply
    211,018.36x = 316,574.94 × 70,773.40
  4. Step 4: Simplify right side
    211,018.36x = 22,405,084,858.60
  5. Step 5: Solve for x
    x = 22,405,084,858.60/211,018.36
  6. Step 6: Final answer
    x = 106,176.00

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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.