Home / 208,944.66-288,349.47-113,457.18

Finding the Fourth Proportional to 208,944.66, 288,349.47 and 113,457.18

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Solution

The fourth proportional to 208,944.66, 288,349.47 and 113,457.18 is: 156,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,944.66 : 288,349.47 = 113,457.18 : x
  2. Step 2: Convert to fraction form
    208,944.66/288,349.47 = 113,457.18/x
  3. Step 3: Cross multiply
    208,944.66x = 288,349.47 × 113,457.18
  4. Step 4: Simplify right side
    208,944.66x = 32,715,317,720.69
  5. Step 5: Solve for x
    x = 32,715,317,720.69/208,944.66
  6. Step 6: Final answer
    x = 156,574.08

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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.