Home / 348,314.88-522,478.80-99,003.36

Finding the Fourth Proportional to 348,314.88, 522,478.80 and 99,003.36

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Solution

The fourth proportional to 348,314.88, 522,478.80 and 99,003.36 is: 148,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,314.88 : 522,478.80 = 99,003.36 : x
  2. Step 2: Convert to fraction form
    348,314.88/522,478.80 = 99,003.36/x
  3. Step 3: Cross multiply
    348,314.88x = 522,478.80 × 99,003.36
  4. Step 4: Simplify right side
    348,314.88x = 51,727,153,621.36
  5. Step 5: Solve for x
    x = 51,727,153,621.36/348,314.88
  6. Step 6: Final answer
    x = 148,506.88

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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.