Home / 201,923.29-278,656.03-111,282.57

Finding the Fourth Proportional to 201,923.29, 278,656.03 and 111,282.57

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Solution

The fourth proportional to 201,923.29, 278,656.03 and 111,282.57 is: 153,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,923.29 : 278,656.03 = 111,282.57 : x
  2. Step 2: Convert to fraction form
    201,923.29/278,656.03 = 111,282.57/x
  3. Step 3: Cross multiply
    201,923.29x = 278,656.03 × 111,282.57
  4. Step 4: Simplify right side
    201,923.29x = 31,009,559,303.50
  5. Step 5: Solve for x
    x = 31,009,559,303.50/201,923.29
  6. Step 6: Final answer
    x = 153,570.99

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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.