Home / 153,281.46-211,587.26-115,151.61

Finding the Fourth Proportional to 153,281.46, 211,587.26 and 115,151.61

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Solution

The fourth proportional to 153,281.46, 211,587.26 and 115,151.61 is: 158,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281.46 : 211,587.26 = 115,151.61 : x
  2. Step 2: Convert to fraction form
    153,281.46/211,587.26 = 115,151.61/x
  3. Step 3: Cross multiply
    153,281.46x = 211,587.26 × 115,151.61
  4. Step 4: Simplify right side
    153,281.46x = 24,364,613,644.49
  5. Step 5: Solve for x
    x = 24,364,613,644.49/153,281.46
  6. Step 6: Final answer
    x = 158,953.43

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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.