Home / 171,239.16-236,357.54-99,633.02

Finding the Fourth Proportional to 171,239.16, 236,357.54 and 99,633.02

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Solution

The fourth proportional to 171,239.16, 236,357.54 and 99,633.02 is: 137,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,239.16 : 236,357.54 = 99,633.02 : x
  2. Step 2: Convert to fraction form
    171,239.16/236,357.54 = 99,633.02/x
  3. Step 3: Cross multiply
    171,239.16x = 236,357.54 × 99,633.02
  4. Step 4: Simplify right side
    171,239.16x = 23,549,013,830.02
  5. Step 5: Solve for x
    x = 23,549,013,830.02/171,239.16
  6. Step 6: Final answer
    x = 137,521.19

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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.