Home / 259,688.79-358,369.04-144,960.80

Finding the Fourth Proportional to 259,688.79, 358,369.04 and 144,960.80

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Solution

The fourth proportional to 259,688.79, 358,369.04 and 144,960.80 is: 200,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,688.79 : 358,369.04 = 144,960.80 : x
  2. Step 2: Convert to fraction form
    259,688.79/358,369.04 = 144,960.80/x
  3. Step 3: Cross multiply
    259,688.79x = 358,369.04 × 144,960.80
  4. Step 4: Simplify right side
    259,688.79x = 51,949,461,304.19
  5. Step 5: Solve for x
    x = 51,949,461,304.19/259,688.79
  6. Step 6: Final answer
    x = 200,045.07

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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.