Home / 157,261.34-217,024.54-85,645.24

Finding the Fourth Proportional to 157,261.34, 217,024.54 and 85,645.24

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Solution

The fourth proportional to 157,261.34, 217,024.54 and 85,645.24 is: 118,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,261.34 : 217,024.54 = 85,645.24 : x
  2. Step 2: Convert to fraction form
    157,261.34/217,024.54 = 85,645.24/x
  3. Step 3: Cross multiply
    157,261.34x = 217,024.54 × 85,645.24
  4. Step 4: Simplify right side
    157,261.34x = 18,587,118,814.19
  5. Step 5: Solve for x
    x = 18,587,118,814.19/157,261.34
  6. Step 6: Final answer
    x = 118,192.55

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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.