Home / 162,205.10-243,307.65-117,622.70

Finding the Fourth Proportional to 162,205.10, 243,307.65 and 117,622.70

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Solution

The fourth proportional to 162,205.10, 243,307.65 and 117,622.70 is: 176,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,205.10 : 243,307.65 = 117,622.70 : x
  2. Step 2: Convert to fraction form
    162,205.10/243,307.65 = 117,622.70/x
  3. Step 3: Cross multiply
    162,205.10x = 243,307.65 × 117,622.70
  4. Step 4: Simplify right side
    162,205.10x = 28,618,502,723.66
  5. Step 5: Solve for x
    x = 28,618,502,723.66/162,205.10
  6. Step 6: Final answer
    x = 176,434.05

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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.