Home / 152,024.01-209,771.70-87,468.72

Finding the Fourth Proportional to 152,024.01, 209,771.70 and 87,468.72

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Solution

The fourth proportional to 152,024.01, 209,771.70 and 87,468.72 is: 120,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,024.01 : 209,771.70 = 87,468.72 : x
  2. Step 2: Convert to fraction form
    152,024.01/209,771.70 = 87,468.72/x
  3. Step 3: Cross multiply
    152,024.01x = 209,771.70 × 87,468.72
  4. Step 4: Simplify right side
    152,024.01x = 18,348,462,091.22
  5. Step 5: Solve for x
    x = 18,348,462,091.22/152,024.01
  6. Step 6: Final answer
    x = 120,694.50

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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.