Home / 172,765.08-238,430.40-97,328.16

Finding the Fourth Proportional to 172,765.08, 238,430.40 and 97,328.16

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Solution

The fourth proportional to 172,765.08, 238,430.40 and 97,328.16 is: 134,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,765.08 : 238,430.40 = 97,328.16 : x
  2. Step 2: Convert to fraction form
    172,765.08/238,430.40 = 97,328.16/x
  3. Step 3: Cross multiply
    172,765.08x = 238,430.40 × 97,328.16
  4. Step 4: Simplify right side
    172,765.08x = 23,205,992,120.06
  5. Step 5: Solve for x
    x = 23,205,992,120.06/172,765.08
  6. Step 6: Final answer
    x = 134,321.08

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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.