Home / 360,056.32-496,875.36-198,921.76

Finding the Fourth Proportional to 360,056.32, 496,875.36 and 198,921.76

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Solution

The fourth proportional to 360,056.32, 496,875.36 and 198,921.76 is: 274,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,056.32 : 496,875.36 = 198,921.76 : x
  2. Step 2: Convert to fraction form
    360,056.32/496,875.36 = 198,921.76/x
  3. Step 3: Cross multiply
    360,056.32x = 496,875.36 × 198,921.76
  4. Step 4: Simplify right side
    360,056.32x = 98,839,321,111.83
  5. Step 5: Solve for x
    x = 98,839,321,111.83/360,056.32
  6. Step 6: Final answer
    x = 274,510.72

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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.