Home / 112,076.70-168,443.10-110,108.40

Finding the Fourth Proportional to 112,076.70, 168,443.10 and 110,108.40

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Solution

The fourth proportional to 112,076.70, 168,443.10 and 110,108.40 is: 165,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076.70 : 168,443.10 = 110,108.40 : x
  2. Step 2: Convert to fraction form
    112,076.70/168,443.10 = 110,108.40/x
  3. Step 3: Cross multiply
    112,076.70x = 168,443.10 × 110,108.40
  4. Step 4: Simplify right side
    112,076.70x = 18,547,000,232.04
  5. Step 5: Solve for x
    x = 18,547,000,232.04/112,076.70
  6. Step 6: Final answer
    x = 165,484.89

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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.