Home / 127,688.11-176,207.93-70,326.34

Finding the Fourth Proportional to 127,688.11, 176,207.93 and 70,326.34

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Solution

The fourth proportional to 127,688.11, 176,207.93 and 70,326.34 is: 97,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.11 : 176,207.93 = 70,326.34 : x
  2. Step 2: Convert to fraction form
    127,688.11/176,207.93 = 70,326.34/x
  3. Step 3: Cross multiply
    127,688.11x = 176,207.93 × 70,326.34
  4. Step 4: Simplify right side
    127,688.11x = 12,392,057,739.02
  5. Step 5: Solve for x
    x = 12,392,057,739.02/127,688.11
  6. Step 6: Final answer
    x = 97,049.43

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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.