Home / 134,870.63-186,121.46-75,254.63

Finding the Fourth Proportional to 134,870.63, 186,121.46 and 75,254.63

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Solution

The fourth proportional to 134,870.63, 186,121.46 and 75,254.63 is: 103,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870.63 : 186,121.46 = 75,254.63 : x
  2. Step 2: Convert to fraction form
    134,870.63/186,121.46 = 75,254.63/x
  3. Step 3: Cross multiply
    134,870.63x = 186,121.46 × 75,254.63
  4. Step 4: Simplify right side
    134,870.63x = 14,006,500,864.89
  5. Step 5: Solve for x
    x = 14,006,500,864.89/134,870.63
  6. Step 6: Final answer
    x = 103,851.38

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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.