Home / 172,904.99-238,646.96-112,370.45

Finding the Fourth Proportional to 172,904.99, 238,646.96 and 112,370.45

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Solution

The fourth proportional to 172,904.99, 238,646.96 and 112,370.45 is: 155,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,904.99 : 238,646.96 = 112,370.45 : x
  2. Step 2: Convert to fraction form
    172,904.99/238,646.96 = 112,370.45/x
  3. Step 3: Cross multiply
    172,904.99x = 238,646.96 × 112,370.45
  4. Step 4: Simplify right side
    172,904.99x = 26,816,864,531.25
  5. Step 5: Solve for x
    x = 26,816,864,531.25/172,904.99
  6. Step 6: Final answer
    x = 155,095.96

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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.