Home / 117,214.69-161,756.07-63,501.06

Finding the Fourth Proportional to 117,214.69, 161,756.07 and 63,501.06

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Solution

The fourth proportional to 117,214.69, 161,756.07 and 63,501.06 is: 87,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,214.69 : 161,756.07 = 63,501.06 : x
  2. Step 2: Convert to fraction form
    117,214.69/161,756.07 = 63,501.06/x
  3. Step 3: Cross multiply
    117,214.69x = 161,756.07 × 63,501.06
  4. Step 4: Simplify right side
    117,214.69x = 10,271,681,906.43
  5. Step 5: Solve for x
    x = 10,271,681,906.43/117,214.69
  6. Step 6: Final answer
    x = 87,631.35

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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.