Home / 111,927.60-154,465.76-63,532.92

Finding the Fourth Proportional to 111,927.60, 154,465.76 and 63,532.92

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Solution

The fourth proportional to 111,927.60, 154,465.76 and 63,532.92 is: 87,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,927.60 : 154,465.76 = 63,532.92 : x
  2. Step 2: Convert to fraction form
    111,927.60/154,465.76 = 63,532.92/x
  3. Step 3: Cross multiply
    111,927.60x = 154,465.76 × 63,532.92
  4. Step 4: Simplify right side
    111,927.60x = 9,813,660,772.82
  5. Step 5: Solve for x
    x = 9,813,660,772.82/111,927.60
  6. Step 6: Final answer
    x = 87,678.65

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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.