Home / 141,160.80-194,802.23-77,502.69

Finding the Fourth Proportional to 141,160.80, 194,802.23 and 77,502.69

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Solution

The fourth proportional to 141,160.80, 194,802.23 and 77,502.69 is: 106,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,160.80 : 194,802.23 = 77,502.69 : x
  2. Step 2: Convert to fraction form
    141,160.80/194,802.23 = 77,502.69/x
  3. Step 3: Cross multiply
    141,160.80x = 194,802.23 × 77,502.69
  4. Step 4: Simplify right side
    141,160.80x = 15,097,697,476.63
  5. Step 5: Solve for x
    x = 15,097,697,476.63/141,160.80
  6. Step 6: Final answer
    x = 106,953.90

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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.