Home / 125,781.64-173,436.42-97,036.36

Finding the Fourth Proportional to 125,781.64, 173,436.42 and 97,036.36

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Solution

The fourth proportional to 125,781.64, 173,436.42 and 97,036.36 is: 133,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,781.64 : 173,436.42 = 97,036.36 : x
  2. Step 2: Convert to fraction form
    125,781.64/173,436.42 = 97,036.36/x
  3. Step 3: Cross multiply
    125,781.64x = 173,436.42 × 97,036.36
  4. Step 4: Simplify right side
    125,781.64x = 16,829,638,888.23
  5. Step 5: Solve for x
    x = 16,829,638,888.23/125,781.64
  6. Step 6: Final answer
    x = 133,800.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.