Home / 99,298.92-136,921.28-93,000.36

Finding the Fourth Proportional to 99,298.92, 136,921.28 and 93,000.36

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Solution

The fourth proportional to 99,298.92, 136,921.28 and 93,000.36 is: 128,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,298.92 : 136,921.28 = 93,000.36 : x
  2. Step 2: Convert to fraction form
    99,298.92/136,921.28 = 93,000.36/x
  3. Step 3: Cross multiply
    99,298.92x = 136,921.28 × 93,000.36
  4. Step 4: Simplify right side
    99,298.92x = 12,733,728,331.66
  5. Step 5: Solve for x
    x = 12,733,728,331.66/99,298.92
  6. Step 6: Final answer
    x = 128,236.32

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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.