Home / 157,772.16-217,730.16-94,108.32

Finding the Fourth Proportional to 157,772.16, 217,730.16 and 94,108.32

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Solution

The fourth proportional to 157,772.16, 217,730.16 and 94,108.32 is: 129,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,772.16 : 217,730.16 = 94,108.32 : x
  2. Step 2: Convert to fraction form
    157,772.16/217,730.16 = 94,108.32/x
  3. Step 3: Cross multiply
    157,772.16x = 217,730.16 × 94,108.32
  4. Step 4: Simplify right side
    157,772.16x = 20,490,219,570.93
  5. Step 5: Solve for x
    x = 20,490,219,570.93/157,772.16
  6. Step 6: Final answer
    x = 129,872.21

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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.