Home / 127,955.34-191,850.87-53,127.13

Finding the Fourth Proportional to 127,955.34, 191,850.87 and 53,127.13

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Solution

The fourth proportional to 127,955.34, 191,850.87 and 53,127.13 is: 79,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,955.34 : 191,850.87 = 53,127.13 : x
  2. Step 2: Convert to fraction form
    127,955.34/191,850.87 = 53,127.13/x
  3. Step 3: Cross multiply
    127,955.34x = 191,850.87 × 53,127.13
  4. Step 4: Simplify right side
    127,955.34x = 10,192,486,111.10
  5. Step 5: Solve for x
    x = 10,192,486,111.10/127,955.34
  6. Step 6: Final answer
    x = 79,656.59

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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.