Home / 133,028.76-183,666.06-102,761.40

Finding the Fourth Proportional to 133,028.76, 183,666.06 and 102,761.40

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Solution

The fourth proportional to 133,028.76, 183,666.06 and 102,761.40 is: 141,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.76 : 183,666.06 = 102,761.40 : x
  2. Step 2: Convert to fraction form
    133,028.76/183,666.06 = 102,761.40/x
  3. Step 3: Cross multiply
    133,028.76x = 183,666.06 × 102,761.40
  4. Step 4: Simplify right side
    133,028.76x = 18,873,781,458.08
  5. Step 5: Solve for x
    x = 18,873,781,458.08/133,028.76
  6. Step 6: Final answer
    x = 141,877.45

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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.