Home / 127,072.96-175,381.68-70,502.56

Finding the Fourth Proportional to 127,072.96, 175,381.68 and 70,502.56

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Solution

The fourth proportional to 127,072.96, 175,381.68 and 70,502.56 is: 97,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,072.96 : 175,381.68 = 70,502.56 : x
  2. Step 2: Convert to fraction form
    127,072.96/175,381.68 = 70,502.56/x
  3. Step 3: Cross multiply
    127,072.96x = 175,381.68 × 70,502.56
  4. Step 4: Simplify right side
    127,072.96x = 12,364,857,417.10
  5. Step 5: Solve for x
    x = 12,364,857,417.10/127,072.96
  6. Step 6: Final answer
    x = 97,305.18

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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.