Home / 140,891.04-194,429.28-84,302.40

Finding the Fourth Proportional to 140,891.04, 194,429.28 and 84,302.40

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Solution

The fourth proportional to 140,891.04, 194,429.28 and 84,302.40 is: 116,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,891.04 : 194,429.28 = 84,302.40 : x
  2. Step 2: Convert to fraction form
    140,891.04/194,429.28 = 84,302.40/x
  3. Step 3: Cross multiply
    140,891.04x = 194,429.28 × 84,302.40
  4. Step 4: Simplify right side
    140,891.04x = 16,390,854,934.27
  5. Step 5: Solve for x
    x = 16,390,854,934.27/140,891.04
  6. Step 6: Final answer
    x = 116,337.10

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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.