Home / 212,120.07-292,726.10-116,626.79

Finding the Fourth Proportional to 212,120.07, 292,726.10 and 116,626.79

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Solution

The fourth proportional to 212,120.07, 292,726.10 and 116,626.79 is: 160,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,120.07 : 292,726.10 = 116,626.79 : x
  2. Step 2: Convert to fraction form
    212,120.07/292,726.10 = 116,626.79/x
  3. Step 3: Cross multiply
    212,120.07x = 292,726.10 × 116,626.79
  4. Step 4: Simplify right side
    212,120.07x = 34,139,704,769.02
  5. Step 5: Solve for x
    x = 34,139,704,769.02/212,120.07
  6. Step 6: Final answer
    x = 160,945.19

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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.