Home / 151,457.04-209,010.96-87,832.08

Finding the Fourth Proportional to 151,457.04, 209,010.96 and 87,832.08

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Solution

The fourth proportional to 151,457.04, 209,010.96 and 87,832.08 is: 121,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,457.04 : 209,010.96 = 87,832.08 : x
  2. Step 2: Convert to fraction form
    151,457.04/209,010.96 = 87,832.08/x
  3. Step 3: Cross multiply
    151,457.04x = 209,010.96 × 87,832.08
  4. Step 4: Simplify right side
    151,457.04x = 18,357,867,359.60
  5. Step 5: Solve for x
    x = 18,357,867,359.60/151,457.04
  6. Step 6: Final answer
    x = 121,208.41

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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.