Home / 272,938.72-376,649.76-152,079.52

Finding the Fourth Proportional to 272,938.72, 376,649.76 and 152,079.52

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Solution

The fourth proportional to 272,938.72, 376,649.76 and 152,079.52 is: 209,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,938.72 : 376,649.76 = 152,079.52 : x
  2. Step 2: Convert to fraction form
    272,938.72/376,649.76 = 152,079.52/x
  3. Step 3: Cross multiply
    272,938.72x = 376,649.76 × 152,079.52
  4. Step 4: Simplify right side
    272,938.72x = 57,280,714,708.92
  5. Step 5: Solve for x
    x = 57,280,714,708.92/272,938.72
  6. Step 6: Final answer
    x = 209,866.58

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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.