Home / 157,150.34-216,872.79-85,532.96

Finding the Fourth Proportional to 157,150.34, 216,872.79 and 85,532.96

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Solution

The fourth proportional to 157,150.34, 216,872.79 and 85,532.96 is: 118,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,150.34 : 216,872.79 = 85,532.96 : x
  2. Step 2: Convert to fraction form
    157,150.34/216,872.79 = 85,532.96/x
  3. Step 3: Cross multiply
    157,150.34x = 216,872.79 × 85,532.96
  4. Step 4: Simplify right side
    157,150.34x = 18,549,771,672.16
  5. Step 5: Solve for x
    x = 18,549,771,672.16/157,150.34
  6. Step 6: Final answer
    x = 118,038.38

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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.