Home / 141,184.32-194,836.64-77,528

Finding the Fourth Proportional to 141,184.32, 194,836.64 and 77,528

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Solution

The fourth proportional to 141,184.32, 194,836.64 and 77,528 is: 106,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,184.32 : 194,836.64 = 77,528 : x
  2. Step 2: Convert to fraction form
    141,184.32/194,836.64 = 77,528/x
  3. Step 3: Cross multiply
    141,184.32x = 194,836.64 × 77,528
  4. Step 4: Simplify right side
    141,184.32x = 15,105,295,025.92
  5. Step 5: Solve for x
    x = 15,105,295,025.92/141,184.32
  6. Step 6: Final answer
    x = 106,989.89

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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.