Home / 119,851.02-165,541.59-89,770.77

Finding the Fourth Proportional to 119,851.02, 165,541.59 and 89,770.77

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Solution

The fourth proportional to 119,851.02, 165,541.59 and 89,770.77 is: 123,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,851.02 : 165,541.59 = 89,770.77 : x
  2. Step 2: Convert to fraction form
    119,851.02/165,541.59 = 89,770.77/x
  3. Step 3: Cross multiply
    119,851.02x = 165,541.59 × 89,770.77
  4. Step 4: Simplify right side
    119,851.02x = 14,860,796,001.32
  5. Step 5: Solve for x
    x = 14,860,796,001.32/119,851.02
  6. Step 6: Final answer
    x = 123,993.91

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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.