Home / 208,900.23-288,285.80-113,406.93

Finding the Fourth Proportional to 208,900.23, 288,285.80 and 113,406.93

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Solution

The fourth proportional to 208,900.23, 288,285.80 and 113,406.93 is: 156,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,900.23 : 288,285.80 = 113,406.93 : x
  2. Step 2: Convert to fraction form
    208,900.23/288,285.80 = 113,406.93/x
  3. Step 3: Cross multiply
    208,900.23x = 288,285.80 × 113,406.93
  4. Step 4: Simplify right side
    208,900.23x = 32,693,606,973.56
  5. Step 5: Solve for x
    x = 32,693,606,973.56/208,900.23
  6. Step 6: Final answer
    x = 156,503.45

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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.