Home / 112,911.67-155,427.01-97,591.23

Finding the Fourth Proportional to 112,911.67, 155,427.01 and 97,591.23

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Solution

The fourth proportional to 112,911.67, 155,427.01 and 97,591.23 is: 134,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,911.67 : 155,427.01 = 97,591.23 : x
  2. Step 2: Convert to fraction form
    112,911.67/155,427.01 = 97,591.23/x
  3. Step 3: Cross multiply
    112,911.67x = 155,427.01 × 97,591.23
  4. Step 4: Simplify right side
    112,911.67x = 15,168,312,254.29
  5. Step 5: Solve for x
    x = 15,168,312,254.29/112,911.67
  6. Step 6: Final answer
    x = 134,337.86

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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.