Home / 157,240.07-216,962.46-92,729.55

Finding the Fourth Proportional to 157,240.07, 216,962.46 and 92,729.55

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Solution

The fourth proportional to 157,240.07, 216,962.46 and 92,729.55 is: 127,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,240.07 : 216,962.46 = 92,729.55 : x
  2. Step 2: Convert to fraction form
    157,240.07/216,962.46 = 92,729.55/x
  3. Step 3: Cross multiply
    157,240.07x = 216,962.46 × 92,729.55
  4. Step 4: Simplify right side
    157,240.07x = 20,118,831,282.69
  5. Step 5: Solve for x
    x = 20,118,831,282.69/157,240.07
  6. Step 6: Final answer
    x = 127,949.77

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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.