Home / 156,066.79-215,374.94-88,097.35

Finding the Fourth Proportional to 156,066.79, 215,374.94 and 88,097.35

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Solution

The fourth proportional to 156,066.79, 215,374.94 and 88,097.35 is: 121,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.79 : 215,374.94 = 88,097.35 : x
  2. Step 2: Convert to fraction form
    156,066.79/215,374.94 = 88,097.35/x
  3. Step 3: Cross multiply
    156,066.79x = 215,374.94 × 88,097.35
  4. Step 4: Simplify right side
    156,066.79x = 18,973,961,470.41
  5. Step 5: Solve for x
    x = 18,973,961,470.41/156,066.79
  6. Step 6: Final answer
    x = 121,575.91

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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.