Home / 172,948.16-238,668.32-93,460.16

Finding the Fourth Proportional to 172,948.16, 238,668.32 and 93,460.16

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Solution

The fourth proportional to 172,948.16, 238,668.32 and 93,460.16 is: 128,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,948.16 : 238,668.32 = 93,460.16 : x
  2. Step 2: Convert to fraction form
    172,948.16/238,668.32 = 93,460.16/x
  3. Step 3: Cross multiply
    172,948.16x = 238,668.32 × 93,460.16
  4. Step 4: Simplify right side
    172,948.16x = 22,305,979,374.13
  5. Step 5: Solve for x
    x = 22,305,979,374.13/172,948.16
  6. Step 6: Final answer
    x = 128,974.94

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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.