Home / 251,686.40-377,587.98-83,196.50

Finding the Fourth Proportional to 251,686.40, 377,587.98 and 83,196.50

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Solution

The fourth proportional to 251,686.40, 377,587.98 and 83,196.50 is: 124,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,686.40 : 377,587.98 = 83,196.50 : x
  2. Step 2: Convert to fraction form
    251,686.40/377,587.98 = 83,196.50/x
  3. Step 3: Cross multiply
    251,686.40x = 377,587.98 × 83,196.50
  4. Step 4: Simplify right side
    251,686.40x = 31,413,996,490.13
  5. Step 5: Solve for x
    x = 31,413,996,490.13/251,686.40
  6. Step 6: Final answer
    x = 124,814.04

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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.