Home / 123,780.16-185,661.06-39,536.92

Finding the Fourth Proportional to 123,780.16, 185,661.06 and 39,536.92

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Solution

The fourth proportional to 123,780.16, 185,661.06 and 39,536.92 is: 59,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,780.16 : 185,661.06 = 39,536.92 : x
  2. Step 2: Convert to fraction form
    123,780.16/185,661.06 = 39,536.92/x
  3. Step 3: Cross multiply
    123,780.16x = 185,661.06 × 39,536.92
  4. Step 4: Simplify right side
    123,780.16x = 7,340,466,476.34
  5. Step 5: Solve for x
    x = 7,340,466,476.34/123,780.16
  6. Step 6: Final answer
    x = 59,302.45

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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.