Home / 125,558.10-188,096.58-121,337.19

Finding the Fourth Proportional to 125,558.10, 188,096.58 and 121,337.19

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Solution

The fourth proportional to 125,558.10, 188,096.58 and 121,337.19 is: 181,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,558.10 : 188,096.58 = 121,337.19 : x
  2. Step 2: Convert to fraction form
    125,558.10/188,096.58 = 121,337.19/x
  3. Step 3: Cross multiply
    125,558.10x = 188,096.58 × 121,337.19
  4. Step 4: Simplify right side
    125,558.10x = 22,823,110,465.81
  5. Step 5: Solve for x
    x = 22,823,110,465.81/125,558.10
  6. Step 6: Final answer
    x = 181,773.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.