Home / 215,656.18-297,607.50-118,863.54

Finding the Fourth Proportional to 215,656.18, 297,607.50 and 118,863.54

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Solution

The fourth proportional to 215,656.18, 297,607.50 and 118,863.54 is: 164,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,656.18 : 297,607.50 = 118,863.54 : x
  2. Step 2: Convert to fraction form
    215,656.18/297,607.50 = 118,863.54/x
  3. Step 3: Cross multiply
    215,656.18x = 297,607.50 × 118,863.54
  4. Step 4: Simplify right side
    215,656.18x = 35,374,680,980.55
  5. Step 5: Solve for x
    x = 35,374,680,980.55/215,656.18
  6. Step 6: Final answer
    x = 164,032.77

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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.