Home / 147,325.23-221,097.90-99,827.70

Finding the Fourth Proportional to 147,325.23, 221,097.90 and 99,827.70

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Solution

The fourth proportional to 147,325.23, 221,097.90 and 99,827.70 is: 149,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,325.23 : 221,097.90 = 99,827.70 : x
  2. Step 2: Convert to fraction form
    147,325.23/221,097.90 = 99,827.70/x
  3. Step 3: Cross multiply
    147,325.23x = 221,097.90 × 99,827.70
  4. Step 4: Simplify right side
    147,325.23x = 22,071,694,831.83
  5. Step 5: Solve for x
    x = 22,071,694,831.83/147,325.23
  6. Step 6: Final answer
    x = 149,816.12

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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.