Home / 156,214.05-215,575.59-84,594.18

Finding the Fourth Proportional to 156,214.05, 215,575.59 and 84,594.18

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Solution

The fourth proportional to 156,214.05, 215,575.59 and 84,594.18 is: 116,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,214.05 : 215,575.59 = 84,594.18 : x
  2. Step 2: Convert to fraction form
    156,214.05/215,575.59 = 84,594.18/x
  3. Step 3: Cross multiply
    156,214.05x = 215,575.59 × 84,594.18
  4. Step 4: Simplify right side
    156,214.05x = 18,236,440,264.07
  5. Step 5: Solve for x
    x = 18,236,440,264.07/156,214.05
  6. Step 6: Final answer
    x = 116,740.08

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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.