Home / 157,014.10-216,677.64-85,392.55

Finding the Fourth Proportional to 157,014.10, 216,677.64 and 85,392.55

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Solution

The fourth proportional to 157,014.10, 216,677.64 and 85,392.55 is: 117,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,014.10 : 216,677.64 = 85,392.55 : x
  2. Step 2: Convert to fraction form
    157,014.10/216,677.64 = 85,392.55/x
  3. Step 3: Cross multiply
    157,014.10x = 216,677.64 × 85,392.55
  4. Step 4: Simplify right side
    157,014.10x = 18,502,656,207.58
  5. Step 5: Solve for x
    x = 18,502,656,207.58/157,014.10
  6. Step 6: Final answer
    x = 117,840.73

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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.