Home / 112,370.04-155,033.46-74,148.57

Finding the Fourth Proportional to 112,370.04, 155,033.46 and 74,148.57

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Solution

The fourth proportional to 112,370.04, 155,033.46 and 74,148.57 is: 102,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,370.04 : 155,033.46 = 74,148.57 : x
  2. Step 2: Convert to fraction form
    112,370.04/155,033.46 = 74,148.57/x
  3. Step 3: Cross multiply
    112,370.04x = 155,033.46 × 74,148.57
  4. Step 4: Simplify right side
    112,370.04x = 11,495,509,361.15
  5. Step 5: Solve for x
    x = 11,495,509,361.15/112,370.04
  6. Step 6: Final answer
    x = 102,300.48

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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.