Home / 200,191.48-276,259.98-109,547.08

Finding the Fourth Proportional to 200,191.48, 276,259.98 and 109,547.08

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Solution

The fourth proportional to 200,191.48, 276,259.98 and 109,547.08 is: 151,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,191.48 : 276,259.98 = 109,547.08 : x
  2. Step 2: Convert to fraction form
    200,191.48/276,259.98 = 109,547.08/x
  3. Step 3: Cross multiply
    200,191.48x = 276,259.98 × 109,547.08
  4. Step 4: Simplify right side
    200,191.48x = 30,263,474,129.86
  5. Step 5: Solve for x
    x = 30,263,474,129.86/200,191.48
  6. Step 6: Final answer
    x = 151,172.64

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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.