Home / 200,217.48-276,300.90-128,598.12

Finding the Fourth Proportional to 200,217.48, 276,300.90 and 128,598.12

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Solution

The fourth proportional to 200,217.48, 276,300.90 and 128,598.12 is: 177,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,217.48 : 276,300.90 = 128,598.12 : x
  2. Step 2: Convert to fraction form
    200,217.48/276,300.90 = 128,598.12/x
  3. Step 3: Cross multiply
    200,217.48x = 276,300.90 × 128,598.12
  4. Step 4: Simplify right side
    200,217.48x = 35,531,776,294.31
  5. Step 5: Solve for x
    x = 35,531,776,294.31/200,217.48
  6. Step 6: Final answer
    x = 177,465.91

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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.