Home / 130,290.63-179,799.36-73,702.02

Finding the Fourth Proportional to 130,290.63, 179,799.36 and 73,702.02

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Solution

The fourth proportional to 130,290.63, 179,799.36 and 73,702.02 is: 101,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,290.63 : 179,799.36 = 73,702.02 : x
  2. Step 2: Convert to fraction form
    130,290.63/179,799.36 = 73,702.02/x
  3. Step 3: Cross multiply
    130,290.63x = 179,799.36 × 73,702.02
  4. Step 4: Simplify right side
    130,290.63x = 13,251,576,026.71
  5. Step 5: Solve for x
    x = 13,251,576,026.71/130,290.63
  6. Step 6: Final answer
    x = 101,707.82

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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.