Home / 156,678.40-235,017.60-125,574.40

Finding the Fourth Proportional to 156,678.40, 235,017.60 and 125,574.40

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Solution

The fourth proportional to 156,678.40, 235,017.60 and 125,574.40 is: 188,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,678.40 : 235,017.60 = 125,574.40 : x
  2. Step 2: Convert to fraction form
    156,678.40/235,017.60 = 125,574.40/x
  3. Step 3: Cross multiply
    156,678.40x = 235,017.60 × 125,574.40
  4. Step 4: Simplify right side
    156,678.40x = 29,512,194,109.44
  5. Step 5: Solve for x
    x = 29,512,194,109.44/156,678.40
  6. Step 6: Final answer
    x = 188,361.60

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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.