Home / 191,840.22-287,749.80-58,720.37

Finding the Fourth Proportional to 191,840.22, 287,749.80 and 58,720.37

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Solution

The fourth proportional to 191,840.22, 287,749.80 and 58,720.37 is: 88,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,840.22 : 287,749.80 = 58,720.37 : x
  2. Step 2: Convert to fraction form
    191,840.22/287,749.80 = 58,720.37/x
  3. Step 3: Cross multiply
    191,840.22x = 287,749.80 × 58,720.37
  4. Step 4: Simplify right side
    191,840.22x = 16,896,773,284.68
  5. Step 5: Solve for x
    x = 16,896,773,284.68/191,840.22
  6. Step 6: Final answer
    x = 88,077.32

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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.