Home / 141,030.50-194,625.16-77,368.32

Finding the Fourth Proportional to 141,030.50, 194,625.16 and 77,368.32

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Solution

The fourth proportional to 141,030.50, 194,625.16 and 77,368.32 is: 106,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,030.50 : 194,625.16 = 77,368.32 : x
  2. Step 2: Convert to fraction form
    141,030.50/194,625.16 = 77,368.32/x
  3. Step 3: Cross multiply
    141,030.50x = 194,625.16 × 77,368.32
  4. Step 4: Simplify right side
    141,030.50x = 15,057,821,658.93
  5. Step 5: Solve for x
    x = 15,057,821,658.93/141,030.50
  6. Step 6: Final answer
    x = 106,769.97

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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.