Home / 156,792.64-235,138.80-51,586.72

Finding the Fourth Proportional to 156,792.64, 235,138.80 and 51,586.72

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Solution

The fourth proportional to 156,792.64, 235,138.80 and 51,586.72 is: 77,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.64 : 235,138.80 = 51,586.72 : x
  2. Step 2: Convert to fraction form
    156,792.64/235,138.80 = 51,586.72/x
  3. Step 3: Cross multiply
    156,792.64x = 235,138.80 × 51,586.72
  4. Step 4: Simplify right side
    156,792.64x = 12,130,039,436.74
  5. Step 5: Solve for x
    x = 12,130,039,436.74/156,792.64
  6. Step 6: Final answer
    x = 77,363.58

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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.