Home / 385,225.56-577,313.46-185,531.40

Finding the Fourth Proportional to 385,225.56, 577,313.46 and 185,531.40

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Solution

The fourth proportional to 385,225.56, 577,313.46 and 185,531.40 is: 278,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,225.56 : 577,313.46 = 185,531.40 : x
  2. Step 2: Convert to fraction form
    385,225.56/577,313.46 = 185,531.40/x
  3. Step 3: Cross multiply
    385,225.56x = 577,313.46 × 185,531.40
  4. Step 4: Simplify right side
    385,225.56x = 107,109,774,472.64
  5. Step 5: Solve for x
    x = 107,109,774,472.64/385,225.56
  6. Step 6: Final answer
    x = 278,044.31

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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.