Home / 154,606.14-213,307.98-86,613.90

Finding the Fourth Proportional to 154,606.14, 213,307.98 and 86,613.90

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Solution

The fourth proportional to 154,606.14, 213,307.98 and 86,613.90 is: 119,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,606.14 : 213,307.98 = 86,613.90 : x
  2. Step 2: Convert to fraction form
    154,606.14/213,307.98 = 86,613.90/x
  3. Step 3: Cross multiply
    154,606.14x = 213,307.98 × 86,613.90
  4. Step 4: Simplify right side
    154,606.14x = 18,475,436,048.92
  5. Step 5: Solve for x
    x = 18,475,436,048.92/154,606.14
  6. Step 6: Final answer
    x = 119,500.01

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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.