Home / 157,176.02-216,907.80-85,560.82

Finding the Fourth Proportional to 157,176.02, 216,907.80 and 85,560.82

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Solution

The fourth proportional to 157,176.02, 216,907.80 and 85,560.82 is: 118,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,176.02 : 216,907.80 = 85,560.82 : x
  2. Step 2: Convert to fraction form
    157,176.02/216,907.80 = 85,560.82/x
  3. Step 3: Cross multiply
    157,176.02x = 216,907.80 × 85,560.82
  4. Step 4: Simplify right side
    157,176.02x = 18,558,808,147.86
  5. Step 5: Solve for x
    x = 18,558,808,147.86/157,176.02
  6. Step 6: Final answer
    x = 118,076.59

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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.