Home / 210,577.48-290,610.98-118,719.44

Finding the Fourth Proportional to 210,577.48, 290,610.98 and 118,719.44

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Solution

The fourth proportional to 210,577.48, 290,610.98 and 118,719.44 is: 163,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,577.48 : 290,610.98 = 118,719.44 : x
  2. Step 2: Convert to fraction form
    210,577.48/290,610.98 = 118,719.44/x
  3. Step 3: Cross multiply
    210,577.48x = 290,610.98 × 118,719.44
  4. Step 4: Simplify right side
    210,577.48x = 34,501,172,803.45
  5. Step 5: Solve for x
    x = 34,501,172,803.45/210,577.48
  6. Step 6: Final answer
    x = 163,840.75

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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.