Home / 178,457.27-246,315.80-121,193.51

Finding the Fourth Proportional to 178,457.27, 246,315.80 and 121,193.51

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Solution

The fourth proportional to 178,457.27, 246,315.80 and 121,193.51 is: 167,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,457.27 : 246,315.80 = 121,193.51 : x
  2. Step 2: Convert to fraction form
    178,457.27/246,315.80 = 121,193.51/x
  3. Step 3: Cross multiply
    178,457.27x = 246,315.80 × 121,193.51
  4. Step 4: Simplify right side
    178,457.27x = 29,851,875,441.86
  5. Step 5: Solve for x
    x = 29,851,875,441.86/178,457.27
  6. Step 6: Final answer
    x = 167,277.45

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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.