Home / 130,292.12-179,803.79-73,702.28

Finding the Fourth Proportional to 130,292.12, 179,803.79 and 73,702.28

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Solution

The fourth proportional to 130,292.12, 179,803.79 and 73,702.28 is: 101,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,292.12 : 179,803.79 = 73,702.28 : x
  2. Step 2: Convert to fraction form
    130,292.12/179,803.79 = 73,702.28/x
  3. Step 3: Cross multiply
    130,292.12x = 179,803.79 × 73,702.28
  4. Step 4: Simplify right side
    130,292.12x = 13,251,948,008.11
  5. Step 5: Solve for x
    x = 13,251,948,008.11/130,292.12
  6. Step 6: Final answer
    x = 101,709.52

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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.