Home / 133,254.40-183,897.92-76,674.24

Finding the Fourth Proportional to 133,254.40, 183,897.92 and 76,674.24

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Solution

The fourth proportional to 133,254.40, 183,897.92 and 76,674.24 is: 105,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,254.40 : 183,897.92 = 76,674.24 : x
  2. Step 2: Convert to fraction form
    133,254.40/183,897.92 = 76,674.24/x
  3. Step 3: Cross multiply
    133,254.40x = 183,897.92 × 76,674.24
  4. Step 4: Simplify right side
    133,254.40x = 14,100,233,253.58
  5. Step 5: Solve for x
    x = 14,100,233,253.58/133,254.40
  6. Step 6: Final answer
    x = 105,814.39

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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.