Home / 174,265.40-261,398.10-172,953.20

Finding the Fourth Proportional to 174,265.40, 261,398.10 and 172,953.20

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Solution

The fourth proportional to 174,265.40, 261,398.10 and 172,953.20 is: 259,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,265.40 : 261,398.10 = 172,953.20 : x
  2. Step 2: Convert to fraction form
    174,265.40/261,398.10 = 172,953.20/x
  3. Step 3: Cross multiply
    174,265.40x = 261,398.10 × 172,953.20
  4. Step 4: Simplify right side
    174,265.40x = 45,209,637,868.92
  5. Step 5: Solve for x
    x = 45,209,637,868.92/174,265.40
  6. Step 6: Final answer
    x = 259,429.80

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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.