Home / 117,153.06-161,670.98-63,438.23

Finding the Fourth Proportional to 117,153.06, 161,670.98 and 63,438.23

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Solution

The fourth proportional to 117,153.06, 161,670.98 and 63,438.23 is: 87,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,153.06 : 161,670.98 = 63,438.23 : x
  2. Step 2: Convert to fraction form
    117,153.06/161,670.98 = 63,438.23/x
  3. Step 3: Cross multiply
    117,153.06x = 161,670.98 × 63,438.23
  4. Step 4: Simplify right side
    117,153.06x = 10,256,119,688.02
  5. Step 5: Solve for x
    x = 10,256,119,688.02/117,153.06
  6. Step 6: Final answer
    x = 87,544.62

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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.