Home / 154,580.36-213,334.40-86,596.24

Finding the Fourth Proportional to 154,580.36, 213,334.40 and 86,596.24

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Solution

The fourth proportional to 154,580.36, 213,334.40 and 86,596.24 is: 119,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,580.36 : 213,334.40 = 86,596.24 : x
  2. Step 2: Convert to fraction form
    154,580.36/213,334.40 = 86,596.24/x
  3. Step 3: Cross multiply
    154,580.36x = 213,334.40 × 86,596.24
  4. Step 4: Simplify right side
    154,580.36x = 18,473,956,902.66
  5. Step 5: Solve for x
    x = 18,473,956,902.66/154,580.36
  6. Step 6: Final answer
    x = 119,510.38

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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.