Home / 161,511.72-242,307.90-56,332.20

Finding the Fourth Proportional to 161,511.72, 242,307.90 and 56,332.20

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Solution

The fourth proportional to 161,511.72, 242,307.90 and 56,332.20 is: 84,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,511.72 : 242,307.90 = 56,332.20 : x
  2. Step 2: Convert to fraction form
    161,511.72/242,307.90 = 56,332.20/x
  3. Step 3: Cross multiply
    161,511.72x = 242,307.90 × 56,332.20
  4. Step 4: Simplify right side
    161,511.72x = 13,649,737,084.38
  5. Step 5: Solve for x
    x = 13,649,737,084.38/161,511.72
  6. Step 6: Final answer
    x = 84,512.36

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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.