Home / 141,518.48-195,309.31-105,646.19

Finding the Fourth Proportional to 141,518.48, 195,309.31 and 105,646.19

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Solution

The fourth proportional to 141,518.48, 195,309.31 and 105,646.19 is: 145,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.48 : 195,309.31 = 105,646.19 : x
  2. Step 2: Convert to fraction form
    141,518.48/195,309.31 = 105,646.19/x
  3. Step 3: Cross multiply
    141,518.48x = 195,309.31 × 105,646.19
  4. Step 4: Simplify right side
    141,518.48x = 20,633,684,473.03
  5. Step 5: Solve for x
    x = 20,633,684,473.03/141,518.48
  6. Step 6: Final answer
    x = 145,802.05

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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.