Home / 157,852.18-217,833.26-86,230.36

Finding the Fourth Proportional to 157,852.18, 217,833.26 and 86,230.36

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Solution

The fourth proportional to 157,852.18, 217,833.26 and 86,230.36 is: 118,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,852.18 : 217,833.26 = 86,230.36 : x
  2. Step 2: Convert to fraction form
    157,852.18/217,833.26 = 86,230.36/x
  3. Step 3: Cross multiply
    157,852.18x = 217,833.26 × 86,230.36
  4. Step 4: Simplify right side
    157,852.18x = 18,783,840,429.77
  5. Step 5: Solve for x
    x = 18,783,840,429.77/157,852.18
  6. Step 6: Final answer
    x = 118,996.40

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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.