Home / 134,866.40-202,141.92-101,479.28

Finding the Fourth Proportional to 134,866.40, 202,141.92 and 101,479.28

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Solution

The fourth proportional to 134,866.40, 202,141.92 and 101,479.28 is: 152,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,866.40 : 202,141.92 = 101,479.28 : x
  2. Step 2: Convert to fraction form
    134,866.40/202,141.92 = 101,479.28/x
  3. Step 3: Cross multiply
    134,866.40x = 202,141.92 × 101,479.28
  4. Step 4: Simplify right side
    134,866.40x = 20,513,216,499.42
  5. Step 5: Solve for x
    x = 20,513,216,499.42/134,866.40
  6. Step 6: Final answer
    x = 152,100.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.