Home / 112,580.16-155,381.49-72,344.22

Finding the Fourth Proportional to 112,580.16, 155,381.49 and 72,344.22

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Solution

The fourth proportional to 112,580.16, 155,381.49 and 72,344.22 is: 99,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.16 : 155,381.49 = 72,344.22 : x
  2. Step 2: Convert to fraction form
    112,580.16/155,381.49 = 72,344.22/x
  3. Step 3: Cross multiply
    112,580.16x = 155,381.49 × 72,344.22
  4. Step 4: Simplify right side
    112,580.16x = 11,240,952,696.49
  5. Step 5: Solve for x
    x = 11,240,952,696.49/112,580.16
  6. Step 6: Final answer
    x = 99,848.43

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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.