Home / 191,018.16-263,603.16-106,133.40

Finding the Fourth Proportional to 191,018.16, 263,603.16 and 106,133.40

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Solution

The fourth proportional to 191,018.16, 263,603.16 and 106,133.40 is: 146,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,018.16 : 263,603.16 = 106,133.40 : x
  2. Step 2: Convert to fraction form
    191,018.16/263,603.16 = 106,133.40/x
  3. Step 3: Cross multiply
    191,018.16x = 263,603.16 × 106,133.40
  4. Step 4: Simplify right side
    191,018.16x = 27,977,099,621.54
  5. Step 5: Solve for x
    x = 27,977,099,621.54/191,018.16
  6. Step 6: Final answer
    x = 146,463.04

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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.