Home / 245,516.04-368,278.98-77,032.80

Finding the Fourth Proportional to 245,516.04, 368,278.98 and 77,032.80

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Solution

The fourth proportional to 245,516.04, 368,278.98 and 77,032.80 is: 115,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,516.04 : 368,278.98 = 77,032.80 : x
  2. Step 2: Convert to fraction form
    245,516.04/368,278.98 = 77,032.80/x
  3. Step 3: Cross multiply
    245,516.04x = 368,278.98 × 77,032.80
  4. Step 4: Simplify right side
    245,516.04x = 28,369,561,010.54
  5. Step 5: Solve for x
    x = 28,369,561,010.54/245,516.04
  6. Step 6: Final answer
    x = 115,550.74

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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.