Home / 124,242.18-186,457.68-91,048.92

Finding the Fourth Proportional to 124,242.18, 186,457.68 and 91,048.92

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Solution

The fourth proportional to 124,242.18, 186,457.68 and 91,048.92 is: 136,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,242.18 : 186,457.68 = 91,048.92 : x
  2. Step 2: Convert to fraction form
    124,242.18/186,457.68 = 91,048.92/x
  3. Step 3: Cross multiply
    124,242.18x = 186,457.68 × 91,048.92
  4. Step 4: Simplify right side
    124,242.18x = 16,976,770,389.71
  5. Step 5: Solve for x
    x = 16,976,770,389.71/124,242.18
  6. Step 6: Final answer
    x = 136,642.57

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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.