Home / 205,125.56-282,681.71-147,663.51

Finding the Fourth Proportional to 205,125.56, 282,681.71 and 147,663.51

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Solution

The fourth proportional to 205,125.56, 282,681.71 and 147,663.51 is: 203,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,125.56 : 282,681.71 = 147,663.51 : x
  2. Step 2: Convert to fraction form
    205,125.56/282,681.71 = 147,663.51/x
  3. Step 3: Cross multiply
    205,125.56x = 282,681.71 × 147,663.51
  4. Step 4: Simplify right side
    205,125.56x = 41,741,772,474.42
  5. Step 5: Solve for x
    x = 41,741,772,474.42/205,125.56
  6. Step 6: Final answer
    x = 203,493.76

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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.