Home / 127,868.58-176,460.02-70,508.01

Finding the Fourth Proportional to 127,868.58, 176,460.02 and 70,508.01

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Solution

The fourth proportional to 127,868.58, 176,460.02 and 70,508.01 is: 97,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,868.58 : 176,460.02 = 70,508.01 : x
  2. Step 2: Convert to fraction form
    127,868.58/176,460.02 = 70,508.01/x
  3. Step 3: Cross multiply
    127,868.58x = 176,460.02 × 70,508.01
  4. Step 4: Simplify right side
    127,868.58x = 12,441,844,854.76
  5. Step 5: Solve for x
    x = 12,441,844,854.76/127,868.58
  6. Step 6: Final answer
    x = 97,301.81

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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.