Home / 385,026.33-577,637.90-148,305.45

Finding the Fourth Proportional to 385,026.33, 577,637.90 and 148,305.45

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Solution

The fourth proportional to 385,026.33, 577,637.90 and 148,305.45 is: 222,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,026.33 : 577,637.90 = 148,305.45 : x
  2. Step 2: Convert to fraction form
    385,026.33/577,637.90 = 148,305.45/x
  3. Step 3: Cross multiply
    385,026.33x = 577,637.90 × 148,305.45
  4. Step 4: Simplify right side
    385,026.33x = 85,666,847,955.03
  5. Step 5: Solve for x
    x = 85,666,847,955.03/385,026.33
  6. Step 6: Final answer
    x = 222,496.08

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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.