Home / 99,276.04-136,889.74-92,977.48

Finding the Fourth Proportional to 99,276.04, 136,889.74 and 92,977.48

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Solution

The fourth proportional to 99,276.04, 136,889.74 and 92,977.48 is: 128,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,276.04 : 136,889.74 = 92,977.48 : x
  2. Step 2: Convert to fraction form
    99,276.04/136,889.74 = 92,977.48/x
  3. Step 3: Cross multiply
    99,276.04x = 136,889.74 × 92,977.48
  4. Step 4: Simplify right side
    99,276.04x = 12,727,663,063.06
  5. Step 5: Solve for x
    x = 12,727,663,063.06/99,276.04
  6. Step 6: Final answer
    x = 128,204.78

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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.