Home / 154,590.37-213,348.46-86,606.91

Finding the Fourth Proportional to 154,590.37, 213,348.46 and 86,606.91

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Solution

The fourth proportional to 154,590.37, 213,348.46 and 86,606.91 is: 119,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,590.37 : 213,348.46 = 86,606.91 : x
  2. Step 2: Convert to fraction form
    154,590.37/213,348.46 = 86,606.91/x
  3. Step 3: Cross multiply
    154,590.37x = 213,348.46 × 86,606.91
  4. Step 4: Simplify right side
    154,590.37x = 18,477,450,276.13
  5. Step 5: Solve for x
    x = 18,477,450,276.13/154,590.37
  6. Step 6: Final answer
    x = 119,525.23

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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.