Home / 173,291.40-259,937.10-105,931.80

Finding the Fourth Proportional to 173,291.40, 259,937.10 and 105,931.80

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Solution

The fourth proportional to 173,291.40, 259,937.10 and 105,931.80 is: 158,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,291.40 : 259,937.10 = 105,931.80 : x
  2. Step 2: Convert to fraction form
    173,291.40/259,937.10 = 105,931.80/x
  3. Step 3: Cross multiply
    173,291.40x = 259,937.10 × 105,931.80
  4. Step 4: Simplify right side
    173,291.40x = 27,535,604,889.78
  5. Step 5: Solve for x
    x = 27,535,604,889.78/173,291.40
  6. Step 6: Final answer
    x = 158,897.70

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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.