Home / 210,649.08-290,695.45-113,852.82

Finding the Fourth Proportional to 210,649.08, 290,695.45 and 113,852.82

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Solution

The fourth proportional to 210,649.08, 290,695.45 and 113,852.82 is: 157,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,649.08 : 290,695.45 = 113,852.82 : x
  2. Step 2: Convert to fraction form
    210,649.08/290,695.45 = 113,852.82/x
  3. Step 3: Cross multiply
    210,649.08x = 290,695.45 × 113,852.82
  4. Step 4: Simplify right side
    210,649.08x = 33,096,496,743.67
  5. Step 5: Solve for x
    x = 33,096,496,743.67/210,649.08
  6. Step 6: Final answer
    x = 157,116.74

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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.