Home / 93,398.12-139,274.61-92,555.72

Finding the Fourth Proportional to 93,398.12, 139,274.61 and 92,555.72

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Solution

The fourth proportional to 93,398.12, 139,274.61 and 92,555.72 is: 138,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,398.12 : 139,274.61 = 92,555.72 : x
  2. Step 2: Convert to fraction form
    93,398.12/139,274.61 = 92,555.72/x
  3. Step 3: Cross multiply
    93,398.12x = 139,274.61 × 92,555.72
  4. Step 4: Simplify right side
    93,398.12x = 12,890,661,806.27
  5. Step 5: Solve for x
    x = 12,890,661,806.27/93,398.12
  6. Step 6: Final answer
    x = 138,018.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.