Home / 127,701.04-176,254.08-76,716.16

Finding the Fourth Proportional to 127,701.04, 176,254.08 and 76,716.16

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Solution

The fourth proportional to 127,701.04, 176,254.08 and 76,716.16 is: 105,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.04 : 176,254.08 = 76,716.16 : x
  2. Step 2: Convert to fraction form
    127,701.04/176,254.08 = 76,716.16/x
  3. Step 3: Cross multiply
    127,701.04x = 176,254.08 × 76,716.16
  4. Step 4: Simplify right side
    127,701.04x = 13,521,536,201.93
  5. Step 5: Solve for x
    x = 13,521,536,201.93/127,701.04
  6. Step 6: Final answer
    x = 105,884.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.