Home / 141,235.86-194,903.65-77,569.56

Finding the Fourth Proportional to 141,235.86, 194,903.65 and 77,569.56

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Solution

The fourth proportional to 141,235.86, 194,903.65 and 77,569.56 is: 107,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,235.86 : 194,903.65 = 77,569.56 : x
  2. Step 2: Convert to fraction form
    141,235.86/194,903.65 = 77,569.56/x
  3. Step 3: Cross multiply
    141,235.86x = 194,903.65 × 77,569.56
  4. Step 4: Simplify right side
    141,235.86x = 15,118,590,372.89
  5. Step 5: Solve for x
    x = 15,118,590,372.89/141,235.86
  6. Step 6: Final answer
    x = 107,044.98

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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.