Home / 133,040.16-183,598.32-72,611.04

Finding the Fourth Proportional to 133,040.16, 183,598.32 and 72,611.04

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Solution

The fourth proportional to 133,040.16, 183,598.32 and 72,611.04 is: 100,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.16 : 183,598.32 = 72,611.04 : x
  2. Step 2: Convert to fraction form
    133,040.16/183,598.32 = 72,611.04/x
  3. Step 3: Cross multiply
    133,040.16x = 183,598.32 × 72,611.04
  4. Step 4: Simplify right side
    133,040.16x = 13,331,264,957.45
  5. Step 5: Solve for x
    x = 13,331,264,957.45/133,040.16
  6. Step 6: Final answer
    x = 100,204.82

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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.