Home / 145,898.12-218,873.10-49,830.10

Finding the Fourth Proportional to 145,898.12, 218,873.10 and 49,830.10

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Solution

The fourth proportional to 145,898.12, 218,873.10 and 49,830.10 is: 74,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,898.12 : 218,873.10 = 49,830.10 : x
  2. Step 2: Convert to fraction form
    145,898.12/218,873.10 = 49,830.10/x
  3. Step 3: Cross multiply
    145,898.12x = 218,873.10 × 49,830.10
  4. Step 4: Simplify right side
    145,898.12x = 10,906,468,460.31
  5. Step 5: Solve for x
    x = 10,906,468,460.31/145,898.12
  6. Step 6: Final answer
    x = 74,754.00

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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.