Home / 117,688.40-162,393.96-69,924.32

Finding the Fourth Proportional to 117,688.40, 162,393.96 and 69,924.32

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Solution

The fourth proportional to 117,688.40, 162,393.96 and 69,924.32 is: 96,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.40 : 162,393.96 = 69,924.32 : x
  2. Step 2: Convert to fraction form
    117,688.40/162,393.96 = 69,924.32/x
  3. Step 3: Cross multiply
    117,688.40x = 162,393.96 × 69,924.32
  4. Step 4: Simplify right side
    117,688.40x = 11,355,287,225.11
  5. Step 5: Solve for x
    x = 11,355,287,225.11/117,688.40
  6. Step 6: Final answer
    x = 96,486.04

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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.