Home / 161,111.20-241,666.80-98,125.60

Finding the Fourth Proportional to 161,111.20, 241,666.80 and 98,125.60

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Solution

The fourth proportional to 161,111.20, 241,666.80 and 98,125.60 is: 147,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,111.20 : 241,666.80 = 98,125.60 : x
  2. Step 2: Convert to fraction form
    161,111.20/241,666.80 = 98,125.60/x
  3. Step 3: Cross multiply
    161,111.20x = 241,666.80 × 98,125.60
  4. Step 4: Simplify right side
    161,111.20x = 23,713,699,750.08
  5. Step 5: Solve for x
    x = 23,713,699,750.08/161,111.20
  6. Step 6: Final answer
    x = 147,188.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.