Home / 156,907.92-236,215.65-142,957.56

Finding the Fourth Proportional to 156,907.92, 236,215.65 and 142,957.56

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Solution

The fourth proportional to 156,907.92, 236,215.65 and 142,957.56 is: 215,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,907.92 : 236,215.65 = 142,957.56 : x
  2. Step 2: Convert to fraction form
    156,907.92/236,215.65 = 142,957.56/x
  3. Step 3: Cross multiply
    156,907.92x = 236,215.65 × 142,957.56
  4. Step 4: Simplify right side
    156,907.92x = 33,768,812,957.81
  5. Step 5: Solve for x
    x = 33,768,812,957.81/156,907.92
  6. Step 6: Final answer
    x = 215,214.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.