Home / 191,070.12-286,605.87-57,951.54

Finding the Fourth Proportional to 191,070.12, 286,605.87 and 57,951.54

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Solution

The fourth proportional to 191,070.12, 286,605.87 and 57,951.54 is: 86,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,070.12 : 286,605.87 = 57,951.54 : x
  2. Step 2: Convert to fraction form
    191,070.12/286,605.87 = 57,951.54/x
  3. Step 3: Cross multiply
    191,070.12x = 286,605.87 × 57,951.54
  4. Step 4: Simplify right side
    191,070.12x = 16,609,251,539.54
  5. Step 5: Solve for x
    x = 16,609,251,539.54/191,070.12
  6. Step 6: Final answer
    x = 86,927.52

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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.