Home / 117,072.49-175,501.09-42,174.32

Finding the Fourth Proportional to 117,072.49, 175,501.09 and 42,174.32

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Solution

The fourth proportional to 117,072.49, 175,501.09 and 42,174.32 is: 63,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,072.49 : 175,501.09 = 42,174.32 : x
  2. Step 2: Convert to fraction form
    117,072.49/175,501.09 = 42,174.32/x
  3. Step 3: Cross multiply
    117,072.49x = 175,501.09 × 42,174.32
  4. Step 4: Simplify right side
    117,072.49x = 7,401,639,130.01
  5. Step 5: Solve for x
    x = 7,401,639,130.01/117,072.49
  6. Step 6: Final answer
    x = 63,222.70

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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.