Home / 101,127.30-151,666.56-31,007.22

Finding the Fourth Proportional to 101,127.30, 151,666.56 and 31,007.22

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Solution

The fourth proportional to 101,127.30, 151,666.56 and 31,007.22 is: 46,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,127.30 : 151,666.56 = 31,007.22 : x
  2. Step 2: Convert to fraction form
    101,127.30/151,666.56 = 31,007.22/x
  3. Step 3: Cross multiply
    101,127.30x = 151,666.56 × 31,007.22
  4. Step 4: Simplify right side
    101,127.30x = 4,702,758,392.56
  5. Step 5: Solve for x
    x = 4,702,758,392.56/101,127.30
  6. Step 6: Final answer
    x = 46,503.35

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1.5x scale

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.