Home / 201,633.12-278,254.70-110,998.16

Finding the Fourth Proportional to 201,633.12, 278,254.70 and 110,998.16

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Solution

The fourth proportional to 201,633.12, 278,254.70 and 110,998.16 is: 153,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,633.12 : 278,254.70 = 110,998.16 : x
  2. Step 2: Convert to fraction form
    201,633.12/278,254.70 = 110,998.16/x
  3. Step 3: Cross multiply
    201,633.12x = 278,254.70 × 110,998.16
  4. Step 4: Simplify right side
    201,633.12x = 30,885,759,711.35
  5. Step 5: Solve for x
    x = 30,885,759,711.35/201,633.12
  6. Step 6: Final answer
    x = 153,178.01

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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.