Home / 369,555.30-554,248.17-103,334.52

Finding the Fourth Proportional to 369,555.30, 554,248.17 and 103,334.52

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Solution

The fourth proportional to 369,555.30, 554,248.17 and 103,334.52 is: 154,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,555.30 : 554,248.17 = 103,334.52 : x
  2. Step 2: Convert to fraction form
    369,555.30/554,248.17 = 103,334.52/x
  3. Step 3: Cross multiply
    369,555.30x = 554,248.17 × 103,334.52
  4. Step 4: Simplify right side
    369,555.30x = 57,272,968,607.83
  5. Step 5: Solve for x
    x = 57,272,968,607.83/369,555.30
  6. Step 6: Final answer
    x = 154,978.07

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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.