Home / 200,030.04-276,041.45-109,386.08

Finding the Fourth Proportional to 200,030.04, 276,041.45 and 109,386.08

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Solution

The fourth proportional to 200,030.04, 276,041.45 and 109,386.08 is: 150,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,030.04 : 276,041.45 = 109,386.08 : x
  2. Step 2: Convert to fraction form
    200,030.04/276,041.45 = 109,386.08/x
  3. Step 3: Cross multiply
    200,030.04x = 276,041.45 × 109,386.08
  4. Step 4: Simplify right side
    200,030.04x = 30,195,090,205.88
  5. Step 5: Solve for x
    x = 30,195,090,205.88/200,030.04
  6. Step 6: Final answer
    x = 150,952.78

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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.