Home / 156,303.66-234,484.29-51,128.46

Finding the Fourth Proportional to 156,303.66, 234,484.29 and 51,128.46

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Solution

The fourth proportional to 156,303.66, 234,484.29 and 51,128.46 is: 76,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,303.66 : 234,484.29 = 51,128.46 : x
  2. Step 2: Convert to fraction form
    156,303.66/234,484.29 = 51,128.46/x
  3. Step 3: Cross multiply
    156,303.66x = 234,484.29 × 51,128.46
  4. Step 4: Simplify right side
    156,303.66x = 11,988,820,641.89
  5. Step 5: Solve for x
    x = 11,988,820,641.89/156,303.66
  6. Step 6: Final answer
    x = 76,702.11

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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.