Home / 127,538.70-176,003.57-70,950.07

Finding the Fourth Proportional to 127,538.70, 176,003.57 and 70,950.07

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Solution

The fourth proportional to 127,538.70, 176,003.57 and 70,950.07 is: 97,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538.70 : 176,003.57 = 70,950.07 : x
  2. Step 2: Convert to fraction form
    127,538.70/176,003.57 = 70,950.07/x
  3. Step 3: Cross multiply
    127,538.70x = 176,003.57 × 70,950.07
  4. Step 4: Simplify right side
    127,538.70x = 12,487,465,610.04
  5. Step 5: Solve for x
    x = 12,487,465,610.04/127,538.70
  6. Step 6: Final answer
    x = 97,911.19

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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.