Home / 127,884.45-176,478.21-70,529.07

Finding the Fourth Proportional to 127,884.45, 176,478.21 and 70,529.07

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Solution

The fourth proportional to 127,884.45, 176,478.21 and 70,529.07 is: 97,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,884.45 : 176,478.21 = 70,529.07 : x
  2. Step 2: Convert to fraction form
    127,884.45/176,478.21 = 70,529.07/x
  3. Step 3: Cross multiply
    127,884.45x = 176,478.21 × 70,529.07
  4. Step 4: Simplify right side
    127,884.45x = 12,446,844,026.56
  5. Step 5: Solve for x
    x = 12,446,844,026.56/127,884.45
  6. Step 6: Final answer
    x = 97,328.83

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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.