Home / 117,683.40-162,444.72-69,936.16

Finding the Fourth Proportional to 117,683.40, 162,444.72 and 69,936.16

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Solution

The fourth proportional to 117,683.40, 162,444.72 and 69,936.16 is: 96,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.40 : 162,444.72 = 69,936.16 : x
  2. Step 2: Convert to fraction form
    117,683.40/162,444.72 = 69,936.16/x
  3. Step 3: Cross multiply
    117,683.40x = 162,444.72 × 69,936.16
  4. Step 4: Simplify right side
    117,683.40x = 11,360,759,929.08
  5. Step 5: Solve for x
    x = 11,360,759,929.08/117,683.40
  6. Step 6: Final answer
    x = 96,536.64

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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.