Home / 127,601.34-191,402.08-57,398.64

Finding the Fourth Proportional to 127,601.34, 191,402.08 and 57,398.64

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Solution

The fourth proportional to 127,601.34, 191,402.08 and 57,398.64 is: 86,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.34 : 191,402.08 = 57,398.64 : x
  2. Step 2: Convert to fraction form
    127,601.34/191,402.08 = 57,398.64/x
  3. Step 3: Cross multiply
    127,601.34x = 191,402.08 × 57,398.64
  4. Step 4: Simplify right side
    127,601.34x = 10,986,219,085.17
  5. Step 5: Solve for x
    x = 10,986,219,085.17/127,601.34
  6. Step 6: Final answer
    x = 86,097.99

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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.