Home / 154,239.40-231,416.70-60,810.28

Finding the Fourth Proportional to 154,239.40, 231,416.70 and 60,810.28

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Solution

The fourth proportional to 154,239.40, 231,416.70 and 60,810.28 is: 91,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,239.40 : 231,416.70 = 60,810.28 : x
  2. Step 2: Convert to fraction form
    154,239.40/231,416.70 = 60,810.28/x
  3. Step 3: Cross multiply
    154,239.40x = 231,416.70 × 60,810.28
  4. Step 4: Simplify right side
    154,239.40x = 14,072,514,323.68
  5. Step 5: Solve for x
    x = 14,072,514,323.68/154,239.40
  6. Step 6: Final answer
    x = 91,238.13

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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.