Home / 376,180.02-519,128.34-215,038.56

Finding the Fourth Proportional to 376,180.02, 519,128.34 and 215,038.56

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Solution

The fourth proportional to 376,180.02, 519,128.34 and 215,038.56 is: 296,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,180.02 : 519,128.34 = 215,038.56 : x
  2. Step 2: Convert to fraction form
    376,180.02/519,128.34 = 215,038.56/x
  3. Step 3: Cross multiply
    376,180.02x = 519,128.34 × 215,038.56
  4. Step 4: Simplify right side
    376,180.02x = 111,632,610,688.79
  5. Step 5: Solve for x
    x = 111,632,610,688.79/376,180.02
  6. Step 6: Final answer
    x = 296,753.16

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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.