Home / 266,790.28-368,182.38-153,649.48

Finding the Fourth Proportional to 266,790.28, 368,182.38 and 153,649.48

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Solution

The fourth proportional to 266,790.28, 368,182.38 and 153,649.48 is: 212,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,790.28 : 368,182.38 = 153,649.48 : x
  2. Step 2: Convert to fraction form
    266,790.28/368,182.38 = 153,649.48/x
  3. Step 3: Cross multiply
    266,790.28x = 368,182.38 × 153,649.48
  4. Step 4: Simplify right side
    266,790.28x = 56,571,031,232.16
  5. Step 5: Solve for x
    x = 56,571,031,232.16/266,790.28
  6. Step 6: Final answer
    x = 212,043.07

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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.