Home / 210,319.17-290,238.95-114,825.86

Finding the Fourth Proportional to 210,319.17, 290,238.95 and 114,825.86

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Solution

The fourth proportional to 210,319.17, 290,238.95 and 114,825.86 is: 158,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,319.17 : 290,238.95 = 114,825.86 : x
  2. Step 2: Convert to fraction form
    210,319.17/290,238.95 = 114,825.86/x
  3. Step 3: Cross multiply
    210,319.17x = 290,238.95 × 114,825.86
  4. Step 4: Simplify right side
    210,319.17x = 33,326,938,195.44
  5. Step 5: Solve for x
    x = 33,326,938,195.44/210,319.17
  6. Step 6: Final answer
    x = 158,458.87

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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.