Home / 452,117.40-678,176.10-136,541.40

Finding the Fourth Proportional to 452,117.40, 678,176.10 and 136,541.40

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Solution

The fourth proportional to 452,117.40, 678,176.10 and 136,541.40 is: 204,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,117.40 : 678,176.10 = 136,541.40 : x
  2. Step 2: Convert to fraction form
    452,117.40/678,176.10 = 136,541.40/x
  3. Step 3: Cross multiply
    452,117.40x = 678,176.10 × 136,541.40
  4. Step 4: Simplify right side
    452,117.40x = 92,599,114,140.54
  5. Step 5: Solve for x
    x = 92,599,114,140.54/452,117.40
  6. Step 6: Final answer
    x = 204,812.10

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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.