Home / 132,943.23-183,462.23-72,515.16

Finding the Fourth Proportional to 132,943.23, 183,462.23 and 72,515.16

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Solution

The fourth proportional to 132,943.23, 183,462.23 and 72,515.16 is: 100,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.23 : 183,462.23 = 72,515.16 : x
  2. Step 2: Convert to fraction form
    132,943.23/183,462.23 = 72,515.16/x
  3. Step 3: Cross multiply
    132,943.23x = 183,462.23 × 72,515.16
  4. Step 4: Simplify right side
    132,943.23x = 13,303,792,599.83
  5. Step 5: Solve for x
    x = 13,303,792,599.83/132,943.23
  6. Step 6: Final answer
    x = 100,071.23

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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.