Home / 330,153.17-455,628.65-186,926.54

Finding the Fourth Proportional to 330,153.17, 455,628.65 and 186,926.54

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Solution

The fourth proportional to 330,153.17, 455,628.65 and 186,926.54 is: 257,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,153.17 : 455,628.65 = 186,926.54 : x
  2. Step 2: Convert to fraction form
    330,153.17/455,628.65 = 186,926.54/x
  3. Step 3: Cross multiply
    330,153.17x = 455,628.65 × 186,926.54
  4. Step 4: Simplify right side
    330,153.17x = 85,169,083,856.60
  5. Step 5: Solve for x
    x = 85,169,083,856.60/330,153.17
  6. Step 6: Final answer
    x = 257,968.40

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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.