Home / 156,888.14-216,507.33-85,268.18

Finding the Fourth Proportional to 156,888.14, 216,507.33 and 85,268.18

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Solution

The fourth proportional to 156,888.14, 216,507.33 and 85,268.18 is: 117,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,888.14 : 216,507.33 = 85,268.18 : x
  2. Step 2: Convert to fraction form
    156,888.14/216,507.33 = 85,268.18/x
  3. Step 3: Cross multiply
    156,888.14x = 216,507.33 × 85,268.18
  4. Step 4: Simplify right side
    156,888.14x = 18,461,184,903.22
  5. Step 5: Solve for x
    x = 18,461,184,903.22/156,888.14
  6. Step 6: Final answer
    x = 117,671.01

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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.