Home / 127,817.21-176,388.96-70,457.67

Finding the Fourth Proportional to 127,817.21, 176,388.96 and 70,457.67

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Solution

The fourth proportional to 127,817.21, 176,388.96 and 70,457.67 is: 97,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,817.21 : 176,388.96 = 70,457.67 : x
  2. Step 2: Convert to fraction form
    127,817.21/176,388.96 = 70,457.67/x
  3. Step 3: Cross multiply
    127,817.21x = 176,388.96 × 70,457.67
  4. Step 4: Simplify right side
    127,817.21x = 12,427,955,135.32
  5. Step 5: Solve for x
    x = 12,427,955,135.32/127,817.21
  6. Step 6: Final answer
    x = 97,232.26

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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.