Home / 200,938.36-276,998.88-153,108.76

Finding the Fourth Proportional to 200,938.36, 276,998.88 and 153,108.76

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Solution

The fourth proportional to 200,938.36, 276,998.88 and 153,108.76 is: 211,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,938.36 : 276,998.88 = 153,108.76 : x
  2. Step 2: Convert to fraction form
    200,938.36/276,998.88 = 153,108.76/x
  3. Step 3: Cross multiply
    200,938.36x = 276,998.88 × 153,108.76
  4. Step 4: Simplify right side
    200,938.36x = 42,410,955,038.19
  5. Step 5: Solve for x
    x = 42,410,955,038.19/200,938.36
  6. Step 6: Final answer
    x = 211,064.50

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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.