Home / 171,123.23-236,055.26-99,495.34

Finding the Fourth Proportional to 171,123.23, 236,055.26 and 99,495.34

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Solution

The fourth proportional to 171,123.23, 236,055.26 and 99,495.34 is: 137,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,123.23 : 236,055.26 = 99,495.34 : x
  2. Step 2: Convert to fraction form
    171,123.23/236,055.26 = 99,495.34/x
  3. Step 3: Cross multiply
    171,123.23x = 236,055.26 × 99,495.34
  4. Step 4: Simplify right side
    171,123.23x = 23,486,398,011.09
  5. Step 5: Solve for x
    x = 23,486,398,011.09/171,123.23
  6. Step 6: Final answer
    x = 137,248.45

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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.