Home / 112,301.65-154,969.63-61,304.23

Finding the Fourth Proportional to 112,301.65, 154,969.63 and 61,304.23

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Solution

The fourth proportional to 112,301.65, 154,969.63 and 61,304.23 is: 84,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,301.65 : 154,969.63 = 61,304.23 : x
  2. Step 2: Convert to fraction form
    112,301.65/154,969.63 = 61,304.23/x
  3. Step 3: Cross multiply
    112,301.65x = 154,969.63 × 61,304.23
  4. Step 4: Simplify right side
    112,301.65x = 9,500,293,840.53
  5. Step 5: Solve for x
    x = 9,500,293,840.53/112,301.65
  6. Step 6: Final answer
    x = 84,596.21

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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.