Home / 480,101.19-720,152.03-125,114.31

Finding the Fourth Proportional to 480,101.19, 720,152.03 and 125,114.31

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Solution

The fourth proportional to 480,101.19, 720,152.03 and 125,114.31 is: 187,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,101.19 : 720,152.03 = 125,114.31 : x
  2. Step 2: Convert to fraction form
    480,101.19/720,152.03 = 125,114.31/x
  3. Step 3: Cross multiply
    480,101.19x = 720,152.03 × 125,114.31
  4. Step 4: Simplify right side
    480,101.19x = 90,101,323,702.98
  5. Step 5: Solve for x
    x = 90,101,323,702.98/480,101.19
  6. Step 6: Final answer
    x = 187,671.53

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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.