Home / 157,150.53-216,872.37-85,535.19

Finding the Fourth Proportional to 157,150.53, 216,872.37 and 85,535.19

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Solution

The fourth proportional to 157,150.53, 216,872.37 and 85,535.19 is: 118,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,150.53 : 216,872.37 = 85,535.19 : x
  2. Step 2: Convert to fraction form
    157,150.53/216,872.37 = 85,535.19/x
  3. Step 3: Cross multiply
    157,150.53x = 216,872.37 × 85,535.19
  4. Step 4: Simplify right side
    157,150.53x = 18,550,219,373.70
  5. Step 5: Solve for x
    x = 18,550,219,373.70/157,150.53
  6. Step 6: Final answer
    x = 118,041.09

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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.