Home / 127,867.58-176,458.64-70,507.01

Finding the Fourth Proportional to 127,867.58, 176,458.64 and 70,507.01

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Solution

The fourth proportional to 127,867.58, 176,458.64 and 70,507.01 is: 97,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,867.58 : 176,458.64 = 70,507.01 : x
  2. Step 2: Convert to fraction form
    127,867.58/176,458.64 = 70,507.01/x
  3. Step 3: Cross multiply
    127,867.58x = 176,458.64 × 70,507.01
  4. Step 4: Simplify right side
    127,867.58x = 12,441,571,095.07
  5. Step 5: Solve for x
    x = 12,441,571,095.07/127,867.58
  6. Step 6: Final answer
    x = 97,300.43

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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.