Home / 284,260.52-392,280.10-156,936.36

Finding the Fourth Proportional to 284,260.52, 392,280.10 and 156,936.36

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Solution

The fourth proportional to 284,260.52, 392,280.10 and 156,936.36 is: 216,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,260.52 : 392,280.10 = 156,936.36 : x
  2. Step 2: Convert to fraction form
    284,260.52/392,280.10 = 156,936.36/x
  3. Step 3: Cross multiply
    284,260.52x = 392,280.10 × 156,936.36
  4. Step 4: Simplify right side
    284,260.52x = 61,563,010,994.44
  5. Step 5: Solve for x
    x = 61,563,010,994.44/284,260.52
  6. Step 6: Final answer
    x = 216,572.50

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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.