Home / 141,159.04-194,790.63-77,491.42

Finding the Fourth Proportional to 141,159.04, 194,790.63 and 77,491.42

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Solution

The fourth proportional to 141,159.04, 194,790.63 and 77,491.42 is: 106,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,159.04 : 194,790.63 = 77,491.42 : x
  2. Step 2: Convert to fraction form
    141,159.04/194,790.63 = 77,491.42/x
  3. Step 3: Cross multiply
    141,159.04x = 194,790.63 × 77,491.42
  4. Step 4: Simplify right side
    141,159.04x = 15,094,602,521.39
  5. Step 5: Solve for x
    x = 15,094,602,521.39/141,159.04
  6. Step 6: Final answer
    x = 106,933.30

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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.