Home / 127,313.10-175,695.39-76,334.13

Finding the Fourth Proportional to 127,313.10, 175,695.39 and 76,334.13

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Solution

The fourth proportional to 127,313.10, 175,695.39 and 76,334.13 is: 105,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,313.10 : 175,695.39 = 76,334.13 : x
  2. Step 2: Convert to fraction form
    127,313.10/175,695.39 = 76,334.13/x
  3. Step 3: Cross multiply
    127,313.10x = 175,695.39 × 76,334.13
  4. Step 4: Simplify right side
    127,313.10x = 13,411,554,740.66
  5. Step 5: Solve for x
    x = 13,411,554,740.66/127,313.10
  6. Step 6: Final answer
    x = 105,343.09

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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.