Home / 154,582.36-213,337.16-86,598.24

Finding the Fourth Proportional to 154,582.36, 213,337.16 and 86,598.24

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Solution

The fourth proportional to 154,582.36, 213,337.16 and 86,598.24 is: 119,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,582.36 : 213,337.16 = 86,598.24 : x
  2. Step 2: Convert to fraction form
    154,582.36/213,337.16 = 86,598.24/x
  3. Step 3: Cross multiply
    154,582.36x = 213,337.16 × 86,598.24
  4. Step 4: Simplify right side
    154,582.36x = 18,474,622,582.60
  5. Step 5: Solve for x
    x = 18,474,622,582.60/154,582.36
  6. Step 6: Final answer
    x = 119,513.14

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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.