Home / 176,239.99-243,109.38-112,505.95

Finding the Fourth Proportional to 176,239.99, 243,109.38 and 112,505.95

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Solution

The fourth proportional to 176,239.99, 243,109.38 and 112,505.95 is: 155,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,239.99 : 243,109.38 = 112,505.95 : x
  2. Step 2: Convert to fraction form
    176,239.99/243,109.38 = 112,505.95/x
  3. Step 3: Cross multiply
    176,239.99x = 243,109.38 × 112,505.95
  4. Step 4: Simplify right side
    176,239.99x = 27,351,251,750.81
  5. Step 5: Solve for x
    x = 27,351,251,750.81/176,239.99
  6. Step 6: Final answer
    x = 155,193.22

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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.