Home / 141,264.95-194,941.89-77,602.86

Finding the Fourth Proportional to 141,264.95, 194,941.89 and 77,602.86

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Solution

The fourth proportional to 141,264.95, 194,941.89 and 77,602.86 is: 107,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,264.95 : 194,941.89 = 77,602.86 : x
  2. Step 2: Convert to fraction form
    141,264.95/194,941.89 = 77,602.86/x
  3. Step 3: Cross multiply
    141,264.95x = 194,941.89 × 77,602.86
  4. Step 4: Simplify right side
    141,264.95x = 15,128,048,197.81
  5. Step 5: Solve for x
    x = 15,128,048,197.81/141,264.95
  6. Step 6: Final answer
    x = 107,089.90

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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.