Home / 328,916.17-453,904.32-178,013.17

Finding the Fourth Proportional to 328,916.17, 453,904.32 and 178,013.17

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Solution

The fourth proportional to 328,916.17, 453,904.32 and 178,013.17 is: 245,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,916.17 : 453,904.32 = 178,013.17 : x
  2. Step 2: Convert to fraction form
    328,916.17/453,904.32 = 178,013.17/x
  3. Step 3: Cross multiply
    328,916.17x = 453,904.32 × 178,013.17
  4. Step 4: Simplify right side
    328,916.17x = 80,800,946,879.89
  5. Step 5: Solve for x
    x = 80,800,946,879.89/328,916.17
  6. Step 6: Final answer
    x = 245,658.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.