Home / 102,375.18-153,583.65-43,210.80

Finding the Fourth Proportional to 102,375.18, 153,583.65 and 43,210.80

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Solution

The fourth proportional to 102,375.18, 153,583.65 and 43,210.80 is: 64,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,375.18 : 153,583.65 = 43,210.80 : x
  2. Step 2: Convert to fraction form
    102,375.18/153,583.65 = 43,210.80/x
  3. Step 3: Cross multiply
    102,375.18x = 153,583.65 × 43,210.80
  4. Step 4: Simplify right side
    102,375.18x = 6,636,472,383.42
  5. Step 5: Solve for x
    x = 6,636,472,383.42/102,375.18
  6. Step 6: Final answer
    x = 64,825.01

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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.