Home / 421,623.04-632,283.34-122,041.62

Finding the Fourth Proportional to 421,623.04, 632,283.34 and 122,041.62

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Solution

The fourth proportional to 421,623.04, 632,283.34 and 122,041.62 is: 183,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,623.04 : 632,283.34 = 122,041.62 : x
  2. Step 2: Convert to fraction form
    421,623.04/632,283.34 = 122,041.62/x
  3. Step 3: Cross multiply
    421,623.04x = 632,283.34 × 122,041.62
  4. Step 4: Simplify right side
    421,623.04x = 77,164,883,112.61
  5. Step 5: Solve for x
    x = 77,164,883,112.61/421,623.04
  6. Step 6: Final answer
    x = 183,018.66

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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.