Home / 112,241.72-154,888.70-61,253.16

Finding the Fourth Proportional to 112,241.72, 154,888.70 and 61,253.16

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Solution

The fourth proportional to 112,241.72, 154,888.70 and 61,253.16 is: 84,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,241.72 : 154,888.70 = 61,253.16 : x
  2. Step 2: Convert to fraction form
    112,241.72/154,888.70 = 61,253.16/x
  3. Step 3: Cross multiply
    112,241.72x = 154,888.70 × 61,253.16
  4. Step 4: Simplify right side
    112,241.72x = 9,487,422,323.29
  5. Step 5: Solve for x
    x = 9,487,422,323.29/112,241.72
  6. Step 6: Final answer
    x = 84,526.70

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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.