Home / 113,814.10-170,332.35-99,817.30

Finding the Fourth Proportional to 113,814.10, 170,332.35 and 99,817.30

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Solution

The fourth proportional to 113,814.10, 170,332.35 and 99,817.30 is: 149,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.10 : 170,332.35 = 99,817.30 : x
  2. Step 2: Convert to fraction form
    113,814.10/170,332.35 = 99,817.30/x
  3. Step 3: Cross multiply
    113,814.10x = 170,332.35 × 99,817.30
  4. Step 4: Simplify right side
    113,814.10x = 17,002,115,279.66
  5. Step 5: Solve for x
    x = 17,002,115,279.66/113,814.10
  6. Step 6: Final answer
    x = 149,384.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.