Home / 133,233.34-183,867.63-76,644.72

Finding the Fourth Proportional to 133,233.34, 183,867.63 and 76,644.72

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Solution

The fourth proportional to 133,233.34, 183,867.63 and 76,644.72 is: 105,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,233.34 : 183,867.63 = 76,644.72 : x
  2. Step 2: Convert to fraction form
    133,233.34/183,867.63 = 76,644.72/x
  3. Step 3: Cross multiply
    133,233.34x = 183,867.63 × 76,644.72
  4. Step 4: Simplify right side
    133,233.34x = 14,092,483,018.41
  5. Step 5: Solve for x
    x = 14,092,483,018.41/133,233.34
  6. Step 6: Final answer
    x = 105,772.95

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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.