Home / 127,866.02-191,820.48-39,098.72

Finding the Fourth Proportional to 127,866.02, 191,820.48 and 39,098.72

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Solution

The fourth proportional to 127,866.02, 191,820.48 and 39,098.72 is: 58,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,866.02 : 191,820.48 = 39,098.72 : x
  2. Step 2: Convert to fraction form
    127,866.02/191,820.48 = 39,098.72/x
  3. Step 3: Cross multiply
    127,866.02x = 191,820.48 × 39,098.72
  4. Step 4: Simplify right side
    127,866.02x = 7,499,935,237.79
  5. Step 5: Solve for x
    x = 7,499,935,237.79/127,866.02
  6. Step 6: Final answer
    x = 58,654.64

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1.5x scale

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.