Home / 281,737.08-388,802.34-154,411.74

Finding the Fourth Proportional to 281,737.08, 388,802.34 and 154,411.74

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Solution

The fourth proportional to 281,737.08, 388,802.34 and 154,411.74 is: 213,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,737.08 : 388,802.34 = 154,411.74 : x
  2. Step 2: Convert to fraction form
    281,737.08/388,802.34 = 154,411.74/x
  3. Step 3: Cross multiply
    281,737.08x = 388,802.34 × 154,411.74
  4. Step 4: Simplify right side
    281,737.08x = 60,035,645,835.47
  5. Step 5: Solve for x
    x = 60,035,645,835.47/281,737.08
  6. Step 6: Final answer
    x = 213,091.03

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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.