Home / 210,737.48-290,818.50-115,244.16

Finding the Fourth Proportional to 210,737.48, 290,818.50 and 115,244.16

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Solution

The fourth proportional to 210,737.48, 290,818.50 and 115,244.16 is: 159,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,737.48 : 290,818.50 = 115,244.16 : x
  2. Step 2: Convert to fraction form
    210,737.48/290,818.50 = 115,244.16/x
  3. Step 3: Cross multiply
    210,737.48x = 290,818.50 × 115,244.16
  4. Step 4: Simplify right side
    210,737.48x = 33,515,133,744.96
  5. Step 5: Solve for x
    x = 33,515,133,744.96/210,737.48
  6. Step 6: Final answer
    x = 159,037.37

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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.