Home / 152,337.51-210,227.94-87,771.13

Finding the Fourth Proportional to 152,337.51, 210,227.94 and 87,771.13

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Solution

The fourth proportional to 152,337.51, 210,227.94 and 87,771.13 is: 121,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,337.51 : 210,227.94 = 87,771.13 : x
  2. Step 2: Convert to fraction form
    152,337.51/210,227.94 = 87,771.13/x
  3. Step 3: Cross multiply
    152,337.51x = 210,227.94 × 87,771.13
  4. Step 4: Simplify right side
    152,337.51x = 18,451,943,325.80
  5. Step 5: Solve for x
    x = 18,451,943,325.80/152,337.51
  6. Step 6: Final answer
    x = 121,125.41

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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.