Home / 389,040.16-583,326.56-152,100.48

Finding the Fourth Proportional to 389,040.16, 583,326.56 and 152,100.48

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Solution

The fourth proportional to 389,040.16, 583,326.56 and 152,100.48 is: 228,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,040.16 : 583,326.56 = 152,100.48 : x
  2. Step 2: Convert to fraction form
    389,040.16/583,326.56 = 152,100.48/x
  3. Step 3: Cross multiply
    389,040.16x = 583,326.56 × 152,100.48
  4. Step 4: Simplify right side
    389,040.16x = 88,724,249,772.75
  5. Step 5: Solve for x
    x = 88,724,249,772.75/389,040.16
  6. Step 6: Final answer
    x = 228,059.36

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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.