Home / 112,912.67-155,428.38-97,592.23

Finding the Fourth Proportional to 112,912.67, 155,428.38 and 97,592.23

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Solution

The fourth proportional to 112,912.67, 155,428.38 and 97,592.23 is: 134,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,912.67 : 155,428.38 = 97,592.23 : x
  2. Step 2: Convert to fraction form
    112,912.67/155,428.38 = 97,592.23/x
  3. Step 3: Cross multiply
    112,912.67x = 155,428.38 × 97,592.23
  4. Step 4: Simplify right side
    112,912.67x = 15,168,602,209.49
  5. Step 5: Solve for x
    x = 15,168,602,209.49/112,912.67
  6. Step 6: Final answer
    x = 134,339.24

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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.