Home / 167,430.10-251,145.15-111,345.70

Finding the Fourth Proportional to 167,430.10, 251,145.15 and 111,345.70

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Solution

The fourth proportional to 167,430.10, 251,145.15 and 111,345.70 is: 167,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,430.10 : 251,145.15 = 111,345.70 : x
  2. Step 2: Convert to fraction form
    167,430.10/251,145.15 = 111,345.70/x
  3. Step 3: Cross multiply
    167,430.10x = 251,145.15 × 111,345.70
  4. Step 4: Simplify right side
    167,430.10x = 27,963,932,528.36
  5. Step 5: Solve for x
    x = 27,963,932,528.36/167,430.10
  6. Step 6: Final answer
    x = 167,018.55

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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.