Home / 112,925.73-155,446.40-97,605.30

Finding the Fourth Proportional to 112,925.73, 155,446.40 and 97,605.30

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Solution

The fourth proportional to 112,925.73, 155,446.40 and 97,605.30 is: 134,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,925.73 : 155,446.40 = 97,605.30 : x
  2. Step 2: Convert to fraction form
    112,925.73/155,446.40 = 97,605.30/x
  3. Step 3: Cross multiply
    112,925.73x = 155,446.40 × 97,605.30
  4. Step 4: Simplify right side
    112,925.73x = 15,172,392,017.89
  5. Step 5: Solve for x
    x = 15,172,392,017.89/112,925.73
  6. Step 6: Final answer
    x = 134,357.26

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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.