Home / 124,325.12-186,488.99-99,522.84

Finding the Fourth Proportional to 124,325.12, 186,488.99 and 99,522.84

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Solution

The fourth proportional to 124,325.12, 186,488.99 and 99,522.84 is: 149,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.12 : 186,488.99 = 99,522.84 : x
  2. Step 2: Convert to fraction form
    124,325.12/186,488.99 = 99,522.84/x
  3. Step 3: Cross multiply
    124,325.12x = 186,488.99 × 99,522.84
  4. Step 4: Simplify right side
    124,325.12x = 18,559,913,089.79
  5. Step 5: Solve for x
    x = 18,559,913,089.79/124,325.12
  6. Step 6: Final answer
    x = 149,285.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.