Home / 160,254.24-221,144.64-88,635.45

Finding the Fourth Proportional to 160,254.24, 221,144.64 and 88,635.45

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Solution

The fourth proportional to 160,254.24, 221,144.64 and 88,635.45 is: 122,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,254.24 : 221,144.64 = 88,635.45 : x
  2. Step 2: Convert to fraction form
    160,254.24/221,144.64 = 88,635.45/x
  3. Step 3: Cross multiply
    160,254.24x = 221,144.64 × 88,635.45
  4. Step 4: Simplify right side
    160,254.24x = 19,601,254,681.49
  5. Step 5: Solve for x
    x = 19,601,254,681.49/160,254.24
  6. Step 6: Final answer
    x = 122,313.49

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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.