Home / 133,106.59-183,685.70-72,677.05

Finding the Fourth Proportional to 133,106.59, 183,685.70 and 72,677.05

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Solution

The fourth proportional to 133,106.59, 183,685.70 and 72,677.05 is: 100,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.59 : 183,685.70 = 72,677.05 : x
  2. Step 2: Convert to fraction form
    133,106.59/183,685.70 = 72,677.05/x
  3. Step 3: Cross multiply
    133,106.59x = 183,685.70 × 72,677.05
  4. Step 4: Simplify right side
    133,106.59x = 13,349,734,253.12
  5. Step 5: Solve for x
    x = 13,349,734,253.12/133,106.59
  6. Step 6: Final answer
    x = 100,293.56

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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.