Home / 94,148.09-141,869.77-77,874.38

Finding the Fourth Proportional to 94,148.09, 141,869.77 and 77,874.38

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Solution

The fourth proportional to 94,148.09, 141,869.77 and 77,874.38 is: 117,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,148.09 : 141,869.77 = 77,874.38 : x
  2. Step 2: Convert to fraction form
    94,148.09/141,869.77 = 77,874.38/x
  3. Step 3: Cross multiply
    94,148.09x = 141,869.77 × 77,874.38
  4. Step 4: Simplify right side
    94,148.09x = 11,048,020,226.49
  5. Step 5: Solve for x
    x = 11,048,020,226.49/94,148.09
  6. Step 6: Final answer
    x = 117,347.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.