Home / 172,024.20-258,036.30-153,653.40

Finding the Fourth Proportional to 172,024.20, 258,036.30 and 153,653.40

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Solution

The fourth proportional to 172,024.20, 258,036.30 and 153,653.40 is: 230,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,024.20 : 258,036.30 = 153,653.40 : x
  2. Step 2: Convert to fraction form
    172,024.20/258,036.30 = 153,653.40/x
  3. Step 3: Cross multiply
    172,024.20x = 258,036.30 × 153,653.40
  4. Step 4: Simplify right side
    172,024.20x = 39,648,154,818.42
  5. Step 5: Solve for x
    x = 39,648,154,818.42/172,024.20
  6. Step 6: Final answer
    x = 230,480.10

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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.