Home / 223,526.36-308,474.49-128,051.51

Finding the Fourth Proportional to 223,526.36, 308,474.49 and 128,051.51

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Solution

The fourth proportional to 223,526.36, 308,474.49 and 128,051.51 is: 176,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,526.36 : 308,474.49 = 128,051.51 : x
  2. Step 2: Convert to fraction form
    223,526.36/308,474.49 = 128,051.51/x
  3. Step 3: Cross multiply
    223,526.36x = 308,474.49 × 128,051.51
  4. Step 4: Simplify right side
    223,526.36x = 39,500,624,240.98
  5. Step 5: Solve for x
    x = 39,500,624,240.98/223,526.36
  6. Step 6: Final answer
    x = 176,715.73

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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.