Home / 134,818.40-202,227.60-128,257.40

Finding the Fourth Proportional to 134,818.40, 202,227.60 and 128,257.40

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Solution

The fourth proportional to 134,818.40, 202,227.60 and 128,257.40 is: 192,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,818.40 : 202,227.60 = 128,257.40 : x
  2. Step 2: Convert to fraction form
    134,818.40/202,227.60 = 128,257.40/x
  3. Step 3: Cross multiply
    134,818.40x = 202,227.60 × 128,257.40
  4. Step 4: Simplify right side
    134,818.40x = 25,937,186,184.24
  5. Step 5: Solve for x
    x = 25,937,186,184.24/134,818.40
  6. Step 6: Final answer
    x = 192,386.10

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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.