Home / 192,145.50-265,140.63-111,557.28

Finding the Fourth Proportional to 192,145.50, 265,140.63 and 111,557.28

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Solution

The fourth proportional to 192,145.50, 265,140.63 and 111,557.28 is: 153,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,145.50 : 265,140.63 = 111,557.28 : x
  2. Step 2: Convert to fraction form
    192,145.50/265,140.63 = 111,557.28/x
  3. Step 3: Cross multiply
    192,145.50x = 265,140.63 × 111,557.28
  4. Step 4: Simplify right side
    192,145.50x = 29,578,367,500.29
  5. Step 5: Solve for x
    x = 29,578,367,500.29/192,145.50
  6. Step 6: Final answer
    x = 153,937.34

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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.