Home / 172,420.01-258,637.30-60,111.48

Finding the Fourth Proportional to 172,420.01, 258,637.30 and 60,111.48

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Solution

The fourth proportional to 172,420.01, 258,637.30 and 60,111.48 is: 90,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,420.01 : 258,637.30 = 60,111.48 : x
  2. Step 2: Convert to fraction form
    172,420.01/258,637.30 = 60,111.48/x
  3. Step 3: Cross multiply
    172,420.01x = 258,637.30 × 60,111.48
  4. Step 4: Simplify right side
    172,420.01x = 15,547,070,886.20
  5. Step 5: Solve for x
    x = 15,547,070,886.20/172,420.01
  6. Step 6: Final answer
    x = 90,169.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.