Home / 157,326.95-217,110.34-85,706.80

Finding the Fourth Proportional to 157,326.95, 217,110.34 and 85,706.80

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Solution

The fourth proportional to 157,326.95, 217,110.34 and 85,706.80 is: 118,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,326.95 : 217,110.34 = 85,706.80 : x
  2. Step 2: Convert to fraction form
    157,326.95/217,110.34 = 85,706.80/x
  3. Step 3: Cross multiply
    157,326.95x = 217,110.34 × 85,706.80
  4. Step 4: Simplify right side
    157,326.95x = 18,607,832,488.31
  5. Step 5: Solve for x
    x = 18,607,832,488.31/157,326.95
  6. Step 6: Final answer
    x = 118,274.92

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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.