Home / 127,866.58-176,457.26-70,506.01

Finding the Fourth Proportional to 127,866.58, 176,457.26 and 70,506.01

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Solution

The fourth proportional to 127,866.58, 176,457.26 and 70,506.01 is: 97,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,866.58 : 176,457.26 = 70,506.01 : x
  2. Step 2: Convert to fraction form
    127,866.58/176,457.26 = 70,506.01/x
  3. Step 3: Cross multiply
    127,866.58x = 176,457.26 × 70,506.01
  4. Step 4: Simplify right side
    127,866.58x = 12,441,297,338.13
  5. Step 5: Solve for x
    x = 12,441,297,338.13/127,866.58
  6. Step 6: Final answer
    x = 97,299.05

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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.