Home / 156,966.08-216,607.22-85,346.16

Finding the Fourth Proportional to 156,966.08, 216,607.22 and 85,346.16

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Solution

The fourth proportional to 156,966.08, 216,607.22 and 85,346.16 is: 117,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.08 : 216,607.22 = 85,346.16 : x
  2. Step 2: Convert to fraction form
    156,966.08/216,607.22 = 85,346.16/x
  3. Step 3: Cross multiply
    156,966.08x = 216,607.22 × 85,346.16
  4. Step 4: Simplify right side
    156,966.08x = 18,486,594,455.28
  5. Step 5: Solve for x
    x = 18,486,594,455.28/156,966.08
  6. Step 6: Final answer
    x = 117,774.45

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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.