Home / 106,904.32-160,181.36-56,931.36

Finding the Fourth Proportional to 106,904.32, 160,181.36 and 56,931.36

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Solution

The fourth proportional to 106,904.32, 160,181.36 and 56,931.36 is: 85,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,904.32 : 160,181.36 = 56,931.36 : x
  2. Step 2: Convert to fraction form
    106,904.32/160,181.36 = 56,931.36/x
  3. Step 3: Cross multiply
    106,904.32x = 160,181.36 × 56,931.36
  4. Step 4: Simplify right side
    106,904.32x = 9,119,342,671.45
  5. Step 5: Solve for x
    x = 9,119,342,671.45/106,904.32
  6. Step 6: Final answer
    x = 85,303.78

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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.