Home / 398,254.02-597,159.57-131,869.22

Finding the Fourth Proportional to 398,254.02, 597,159.57 and 131,869.22

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Solution

The fourth proportional to 398,254.02, 597,159.57 and 131,869.22 is: 197,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,254.02 : 597,159.57 = 131,869.22 : x
  2. Step 2: Convert to fraction form
    398,254.02/597,159.57 = 131,869.22/x
  3. Step 3: Cross multiply
    398,254.02x = 597,159.57 × 131,869.22
  4. Step 4: Simplify right side
    398,254.02x = 78,746,967,579.17
  5. Step 5: Solve for x
    x = 78,746,967,579.17/398,254.02
  6. Step 6: Final answer
    x = 197,730.50

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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.