Home / 210,263.76-290,169.48-114,779.28

Finding the Fourth Proportional to 210,263.76, 290,169.48 and 114,779.28

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Solution

The fourth proportional to 210,263.76, 290,169.48 and 114,779.28 is: 158,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,263.76 : 290,169.48 = 114,779.28 : x
  2. Step 2: Convert to fraction form
    210,263.76/290,169.48 = 114,779.28/x
  3. Step 3: Cross multiply
    210,263.76x = 290,169.48 × 114,779.28
  4. Step 4: Simplify right side
    210,263.76x = 33,305,443,992.37
  5. Step 5: Solve for x
    x = 33,305,443,992.37/210,263.76
  6. Step 6: Final answer
    x = 158,398.40

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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.