Home / 129,792.04-194,688.06-50,943.40

Finding the Fourth Proportional to 129,792.04, 194,688.06 and 50,943.40

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Solution

The fourth proportional to 129,792.04, 194,688.06 and 50,943.40 is: 76,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,792.04 : 194,688.06 = 50,943.40 : x
  2. Step 2: Convert to fraction form
    129,792.04/194,688.06 = 50,943.40/x
  3. Step 3: Cross multiply
    129,792.04x = 194,688.06 × 50,943.40
  4. Step 4: Simplify right side
    129,792.04x = 9,918,071,715.80
  5. Step 5: Solve for x
    x = 9,918,071,715.80/129,792.04
  6. Step 6: Final answer
    x = 76,415.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.