Home / 212,913.11-293,821.95-117,423.11

Finding the Fourth Proportional to 212,913.11, 293,821.95 and 117,423.11

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Solution

The fourth proportional to 212,913.11, 293,821.95 and 117,423.11 is: 162,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,913.11 : 293,821.95 = 117,423.11 : x
  2. Step 2: Convert to fraction form
    212,913.11/293,821.95 = 117,423.11/x
  3. Step 3: Cross multiply
    212,913.11x = 293,821.95 × 117,423.11
  4. Step 4: Simplify right side
    212,913.11x = 34,501,485,686.15
  5. Step 5: Solve for x
    x = 34,501,485,686.15/212,913.11
  6. Step 6: Final answer
    x = 162,044.91

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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.