Home / 156,946.65-235,333.57-51,711.45

Finding the Fourth Proportional to 156,946.65, 235,333.57 and 51,711.45

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Solution

The fourth proportional to 156,946.65, 235,333.57 and 51,711.45 is: 77,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.65 : 235,333.57 = 51,711.45 : x
  2. Step 2: Convert to fraction form
    156,946.65/235,333.57 = 51,711.45/x
  3. Step 3: Cross multiply
    156,946.65x = 235,333.57 × 51,711.45
  4. Step 4: Simplify right side
    156,946.65x = 12,169,440,138.38
  5. Step 5: Solve for x
    x = 12,169,440,138.38/156,946.65
  6. Step 6: Final answer
    x = 77,538.71

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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.