Home / 369,261.48-553,985.60-103,021.88

Finding the Fourth Proportional to 369,261.48, 553,985.60 and 103,021.88

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Solution

The fourth proportional to 369,261.48, 553,985.60 and 103,021.88 is: 154,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,261.48 : 553,985.60 = 103,021.88 : x
  2. Step 2: Convert to fraction form
    369,261.48/553,985.60 = 103,021.88/x
  3. Step 3: Cross multiply
    369,261.48x = 553,985.60 × 103,021.88
  4. Step 4: Simplify right side
    369,261.48x = 57,072,634,719.89
  5. Step 5: Solve for x
    x = 57,072,634,719.89/369,261.48
  6. Step 6: Final answer
    x = 154,558.86

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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.