Home / 212,275.69-292,945.01-116,782.61

Finding the Fourth Proportional to 212,275.69, 292,945.01 and 116,782.61

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Solution

The fourth proportional to 212,275.69, 292,945.01 and 116,782.61 is: 161,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,275.69 : 292,945.01 = 116,782.61 : x
  2. Step 2: Convert to fraction form
    212,275.69/292,945.01 = 116,782.61/x
  3. Step 3: Cross multiply
    212,275.69x = 292,945.01 × 116,782.61
  4. Step 4: Simplify right side
    212,275.69x = 34,210,882,453.45
  5. Step 5: Solve for x
    x = 34,210,882,453.45/212,275.69
  6. Step 6: Final answer
    x = 161,162.51

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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.