Home / 134,783.42-186,001.16-74,354.22

Finding the Fourth Proportional to 134,783.42, 186,001.16 and 74,354.22

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Solution

The fourth proportional to 134,783.42, 186,001.16 and 74,354.22 is: 102,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,783.42 : 186,001.16 = 74,354.22 : x
  2. Step 2: Convert to fraction form
    134,783.42/186,001.16 = 74,354.22/x
  3. Step 3: Cross multiply
    134,783.42x = 186,001.16 × 74,354.22
  4. Step 4: Simplify right side
    134,783.42x = 13,829,970,799.12
  5. Step 5: Solve for x
    x = 13,829,970,799.12/134,783.42
  6. Step 6: Final answer
    x = 102,608.85

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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.