Home / 156,726.90-235,090.62-38,398.59

Finding the Fourth Proportional to 156,726.90, 235,090.62 and 38,398.59

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Solution

The fourth proportional to 156,726.90, 235,090.62 and 38,398.59 is: 57,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,726.90 : 235,090.62 = 38,398.59 : x
  2. Step 2: Convert to fraction form
    156,726.90/235,090.62 = 38,398.59/x
  3. Step 3: Cross multiply
    156,726.90x = 235,090.62 × 38,398.59
  4. Step 4: Simplify right side
    156,726.90x = 9,027,148,330.23
  5. Step 5: Solve for x
    x = 9,027,148,330.23/156,726.90
  6. Step 6: Final answer
    x = 57,597.95

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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.