Home / 157,845.24-217,787.40-101,333.16

Finding the Fourth Proportional to 157,845.24, 217,787.40 and 101,333.16

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Solution

The fourth proportional to 157,845.24, 217,787.40 and 101,333.16 is: 139,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,845.24 : 217,787.40 = 101,333.16 : x
  2. Step 2: Convert to fraction form
    157,845.24/217,787.40 = 101,333.16/x
  3. Step 3: Cross multiply
    157,845.24x = 217,787.40 × 101,333.16
  4. Step 4: Simplify right side
    157,845.24x = 22,069,085,450.18
  5. Step 5: Solve for x
    x = 22,069,085,450.18/157,845.24
  6. Step 6: Final answer
    x = 139,814.70

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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.