Home / 261,946.12-392,916.30-156,794.44

Finding the Fourth Proportional to 261,946.12, 392,916.30 and 156,794.44

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Solution

The fourth proportional to 261,946.12, 392,916.30 and 156,794.44 is: 235,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,946.12 : 392,916.30 = 156,794.44 : x
  2. Step 2: Convert to fraction form
    261,946.12/392,916.30 = 156,794.44/x
  3. Step 3: Cross multiply
    261,946.12x = 392,916.30 × 156,794.44
  4. Step 4: Simplify right side
    261,946.12x = 61,607,091,225.37
  5. Step 5: Solve for x
    x = 61,607,091,225.37/261,946.12
  6. Step 6: Final answer
    x = 235,189.94

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1.5x scale

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.