Home / 106,451.16-146,903.64-58,703.28

Finding the Fourth Proportional to 106,451.16, 146,903.64 and 58,703.28

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Solution

The fourth proportional to 106,451.16, 146,903.64 and 58,703.28 is: 81,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,451.16 : 146,903.64 = 58,703.28 : x
  2. Step 2: Convert to fraction form
    106,451.16/146,903.64 = 58,703.28/x
  3. Step 3: Cross multiply
    106,451.16x = 146,903.64 × 58,703.28
  4. Step 4: Simplify right side
    106,451.16x = 8,623,725,511.94
  5. Step 5: Solve for x
    x = 8,623,725,511.94/106,451.16
  6. Step 6: Final answer
    x = 81,011.10

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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.