Home / 117,127.56-161,636.10-63,412.59

Finding the Fourth Proportional to 117,127.56, 161,636.10 and 63,412.59

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Solution

The fourth proportional to 117,127.56, 161,636.10 and 63,412.59 is: 87,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127.56 : 161,636.10 = 63,412.59 : x
  2. Step 2: Convert to fraction form
    117,127.56/161,636.10 = 63,412.59/x
  3. Step 3: Cross multiply
    117,127.56x = 161,636.10 × 63,412.59
  4. Step 4: Simplify right side
    117,127.56x = 10,249,763,738.50
  5. Step 5: Solve for x
    x = 10,249,763,738.50/117,127.56
  6. Step 6: Final answer
    x = 87,509.41

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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.